Animals and Humans: Body Systems and Functions

Question 1

What is the human skeleton NOT responsible for?

Accepted Answer

Making new red blood cells

Answer

Holding your body upright

Answer

Keeping your organs safe

Answer

Helping your muscles move you

Question 2

Which of these is NOT part of the human digestive system?

Accepted Answer

Heart

Answer

Stomach

Answer

Small intestine

Question 3

Which nutrient is essential for strong and healthy bones?

Accepted Answer

Calcium

Answer

Carbohydrates

Answer

Proteins

Answer

Vitamins

Question 4

Which body system works with the breathing system to deliver vital gases to the body?

Accepted Answer

Blood vessels and heart

Answer

Muscles

Question 5

How does our immune system protect us from germs that can make us sick?

Accepted Answer

Our immune system makes special proteins called antibodies that fight off germs.

Accepted Answer

Vaccines help our immune system learn how to fight specific germs without making us sick.

Accepted Answer

White blood cells in our bodies eat up germs.

Answer

Our skin acts as a shield that keeps all germs out.

Question 6

Which body part breaks down food into smaller pieces?

Accepted Answer

Stomach

Answer

Heart

Answer

Liver

Answer

Lungs

Question 7

Which body function is controlled by the cerebellum?

Accepted Answer

Balance and coordination

Answer

Breathing

Answer

Thinking

Answer

Body temperature

Question 8

How do diet, exercise, and sunlight affect the health and growth of our bones?

Accepted Answer

Diet gives us the nutrients we need for healthy bones, while exercise and sunlight help make our bones stronger and denser.

Answer

Only diet is important for bone health because it gives us all the nutrients we need.

Answer

Only exercise and sunlight are important for bone health because they make our bones stronger and denser.

Answer

None of these things affect the health and growth of our bones.

Question 9

The human respiratory system allows the body to exchange gases. Which of the following is NOT part of this gas exchange process?

Accepted Answer

Sweating

Answer

Inhaling oxygen into the lungs

Answer

Transporting oxygen through the bloodstream

Answer

Releasing carbon dioxide from the lungs

Question 10

Which of these is NOT a stage of digestion in the human body?

Accepted Answer

Excretion

Answer

Chewing

Answer

Digestion

Answer

Absorption

Question 11

What is the main job of the circulatory system in animals and humans?

Accepted Answer

To carry important things like nutrients and oxygen around the body and take away waste

Answer

To provide strength and support to the body

Answer

To help us breathe by taking in oxygen and releasing carbon dioxide

Question 12

Which animal uses gills to breathe underwater?

Accepted Answer

Fish

Answer

Cat

Answer

Bird

Answer

Snake

Question 13

How does the nervous system control involuntary actions like breathing, heart rate, and digestion? What happens if these processes are disrupted?

Accepted Answer

The nervous system sends signals to control muscles and organs for involuntary actions. If these signals are disrupted, these vital functions can be affected.

Answer

The nervous system only controls voluntary actions, like walking and talking.

Answer

Disruptions to the nervous system can only affect movement, not other bodily functions.

Question 14

What is the digestive system's main job, and how does it help keep us healthy?

Accepted Answer

Breaks down food and absorbs nutrients for growth and energy.

Answer

Removes waste and toxins from the body.

Answer

Controls body temperature.

Question 15

How do our sensory receptors, found throughout our bodies, help us perceive the world around us?

Accepted Answer

Sensory receptors detect changes in our surroundings and convert them into electrical signals that the brain interprets, allowing us to experience the world.

Answer

Sensory receptors are only found in the eyes and ears, so we can only see and hear, not smell, taste, or touch.

Answer

Sensory receptors control our movements, such as walking and talking.

Question 16

Which of these hormones helps children grow taller and develop?

Accepted Answer

Growth hormone

Answer

Insulin

Answer

Thyroxine

Answer

Adrenaline

Question 17

How does the endocrine system help regulate our body's metabolism and energy levels?

Accepted Answer

It releases hormones that control hunger, fullness, fat storage, and energy use.

Answer

It has no role in controlling metabolism and energy levels.

Answer

It only uses the thyroid hormone to control metabolism and energy levels.

Question 18

How does the circulatory system help regulate blood pressure?

Accepted Answer

Adjusting the amount of blood pumped out of the heart

Accepted Answer

Changing the width of blood vessels

Answer

Filtering waste from the blood

Answer

Releasing hormones that regulate blood pressure

Question 19

Which part of the digestive system absorbs nutrients into the bloodstream?

Accepted Answer

Small intestine

Answer

Mouth

Answer

Large intestine

Answer

Stomach

Question 20

What is the most important job of the circulatory system?

Accepted Answer

Carry oxygen and nutrients to the body's cells

Answer

Protect the body from infection

Answer

Regulate body temperature

Answer

Get rid of waste products

Question 21

Which of these is NOT part of the respiratory system?

Accepted Answer

Heart

Answer

Lungs

Answer

Diaphragm

Answer

Trachea

Question 22

What does the nervous system do?

Accepted Answer

Controls body functions and movements

Answer

Makes hormones

Answer

Stores energy

Answer

Protects the body from harm

Question 23

Which bone makes up the cage around your lungs?

Accepted Answer

Rib

Answer

Femur

Answer

Humerus

Answer

Clavicle

Question 24

What's the difference between a meat-eater (carnivore) and a plant-eater (herbivore)?

Accepted Answer

Herbivores eat plants, while carnivores eat meat

Answer

Carnivores eat plants, while herbivores eat meat

Answer

Carnivores have sharp teeth, while herbivores have flat teeth

Answer

Herbivores have a longer digestive system than carnivores

Question 25

What is the special name for the human type of animal?

Accepted Answer

Homo sapiens

Answer

Canis lupus

Answer

Felis catus

Answer

Equus caballus

Question 26

What is the job of enzymes in your body?

Accepted Answer

Make chemical reactions happen faster

Answer

Store energy

Answer

Carry oxygen

Answer

Fight infection

Question 27

Which of these is NOT a part of the purpose of the digestive system?

Accepted Answer

Keeping your body warm

Answer

Breaking food into smaller pieces called nutrients

Answer

Taking nutrients into the bloodstream

Answer

Getting rid of waste

Question 28

What is the main job of the circulatory system?

Accepted Answer

To carry oxygen and nutrients around the body

Answer

To protect the body from germs

Answer

To keep your body at a good temperature

Answer

To produce things called hormones

Question 29

Which of these is NOT a part of the respiratory system?

Accepted Answer

The heart

Answer

The lungs

Answer

The nose

Answer

The diaphragm

Question 30

Which part of the body controls the nervous system?

Accepted Answer

The brain

Answer

The spinal cord

Answer

The nerves

Answer

The sensory organs

Question 31

How does food get from your mouth to your stomach?

Accepted Answer

Down a tube called the oesophagus

Answer

Down a tube called the trachea

Answer

Through the small intestine

Answer

Through the large intestine

Question 32

What does haemoglobin in your blood do?

Accepted Answer

Carries oxygen

Answer

Fights off germs

Answer

Helps your blood to clot

Answer

Produces hormones

Question 33

What happens when you breathe in?

Accepted Answer

Air goes into your lungs

Answer

Air comes out of your lungs

Answer

Your diaphragm tightens

Answer

Your ribcage gets bigger

Question 34

Which of these bones is NOT in your skull?

Accepted Answer

Femur bone

Answer

Frontal bone

Answer

Parietal bone

Answer

Occipital bone

Question 35

What does the spinal cord do?

Accepted Answer

Sends messages to and from your brain

Answer

Keeps your brain safe

Answer

Produces hormones

Answer

Keeps your memories

Question 36

Which of the following is NOT part of the digestive system?

Accepted Answer

Lungs

Answer

Esophagus

Answer

Stomach

Answer

Intestines

Question 37

What is the main function of the circulatory system?

Accepted Answer

To transport oxygen and nutrients

Answer

To protect the body from infection

Answer

To regulate body temperature

Answer

To control movement

Question 38

Which organ is responsible for filtering waste from the blood?

Accepted Answer

Kidneys

Answer

Liver

Answer

Heart

Answer

Lungs

Question 39

What is the name of the bone that forms the skull?

Accepted Answer

Cranium

Answer

Femur

Answer

Tibia

Answer

Humerus

Question 40

What is the name of the process by which we breathe in?

Accepted Answer

Inhalation

Answer

Exhalation

Answer

Circulation

Answer

Digestion

Question 41

Which type of joint allows for a wide range of movement?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Fixed joint

Answer

Pivot joint

Question 42

What is the name of the hormone that controls blood sugar levels?

Accepted Answer

Insulin

Answer

Glucagon

Answer

Epinephrine

Answer

Thyroxine

Question 43

What is the name of the protective layer surrounding the brain and spinal cord?

Accepted Answer

Meninges

Answer

Cranium

Answer

Vertebrae

Answer

Dura mater

Question 44

Which of the following is not part of the digestive system?

Accepted Answer

Heart

Answer

Stomach

Answer

Liver

Answer

Intestines

Question 45

What is the main function of the circulatory system?

Accepted Answer

To transport blood and oxygen

Answer

To digest food

Answer

To protect the body

Answer

To control movement

Question 46

Which part of the body is responsible for breathing?

Accepted Answer

Lungs

Answer

Heart

Answer

Brain

Answer

Stomach

Question 47

What is the primary function of the skeletal system?

Accepted Answer

To support and protect the body

Answer

To digest food

Answer

To circulate blood

Answer

To control the body

Question 48

Which of the following is a function of the nervous system?

Accepted Answer

Controlling movement and senses

Answer

Storing food

Answer

Pumping blood

Answer

Protecting the body

Question 49

Which organ in the digestive system absorbs nutrients from food?

Accepted Answer

Small intestine

Answer

Stomach

Answer

Large intestine

Answer

Liver

Question 50

Which type of blood vessel carries blood away from the heart?

Accepted Answer

Artery

Answer

Vein

Answer

Capillary

Answer

Pulmonary artery

Question 51

What is the name of the muscle that separates the chest cavity from the abdominal cavity?

Accepted Answer

Diaphragm

Answer

Abdominal muscle

Answer

Cardiac muscle

Answer

Intercostal muscle

Question 52

Which type of joint provides the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Immovable joint

Question 53

What is the main function of the spinal cord?

Accepted Answer

To transmit messages between the brain and the body

Answer

To pump blood

Answer

To digest food

Answer

To protect the body

Question 54

Which organ is NOT part of the digestive system?

Accepted Answer

Brain

Answer

Mouth

Answer

Stomach

Answer

Intestines

Question 55

What is the main function of the circulatory system?

Accepted Answer

To transport oxygen and nutrients around the body

Answer

To digest food

Answer

To protect the body from infection

Answer

To control body movements

Question 56

Which of the following choices best describes a function of the respiratory system?

Accepted Answer

To exchange gases like oxygen and carbon dioxide

Answer

To pump blood around the body

Answer

To break down food

Answer

To control body temperature

Question 57

Which bone in the human body is the longest?

Accepted Answer

Femur

Answer

Tibia

Answer

Humerus

Answer

Clavicle

Question 58

What is the main difference between an herbivore and a carnivore?

Accepted Answer

Herbivores eat plants, while carnivores eat meat

Answer

Herbivores are smaller than carnivores

Answer

Carnivores have sharp teeth, while herbivores have flat teeth

Answer

Herbivores live in forests, while carnivores live in grasslands

Question 59

Which of the following animals is considered a mammal?

Accepted Answer

Bat

Answer

Fish

Answer

Bird

Answer

Snake

Question 60

Which of the following is NOT considered a sense organ?

Accepted Answer

Stomach

Answer

Eye

Answer

Nose

Answer

Ear

Question 61

Which part of the body is NOT included in the digestive system?

Accepted Answer

Heart

Answer

Stomach

Answer

Small intestine

Answer

Large intestine

Question 62

What is the main role of the circulatory system?

Accepted Answer

Transport nutrients and oxygen to the body's cells

Answer

Protect the body from infection

Answer

Regulate body temperature

Answer

Control movement

Question 63

Which organ filters waste products from the blood?

Accepted Answer

Kidneys

Answer

Lungs

Answer

Heart

Answer

Liver

Question 64

What is the process by which animals breathe and exchange oxygen and carbon dioxide?

Accepted Answer

Respiration

Answer

Excretion

Answer

Circulation

Answer

Digestion