Human Body Learning Quizzes: Explore Your Body's Systems and Functions

Question 1

How does the circulatory system transport oxygen and nutrients to the body's cells?

Accepted Answer

Through veins and arteries

Answer

Through the digestive system

Answer

Through the respiratory system

Answer

Through the skeletal system

Question 2

Which of these is NOT one of the five senses that humans have?

Accepted Answer

Jumping

Answer

Sight

Answer

Hearing

Answer

Feeling

Question 3

How do our teeth, stomachs, and small intestines work together to break down and absorb food?

Accepted Answer

Our teeth chew food into small pieces, our stomachs use acids to break it down, and our small intestines absorb the nutrients.

Answer

Our stomachs absorb nutrients, our small intestines store food, and our large intestines get rid of waste.

Answer

Our teeth break down food, our livers make digestive juices, and our large intestines get rid of waste.

Answer

Our pancreases make insulin, our small intestines absorb water, and our livers store nutrients.

Question 4

Why is it important to keep our bodies healthy?

Accepted Answer

To feel good and stay away from getting sick.

Answer

To look strong and fit.

Question 5

How does the muscular system help us move?

Accepted Answer

The muscular system pulls on our bones to make them move.

Answer

The muscular system makes our bones move directly.

Answer

The muscular system pushes on our bones to make them move.

Question 6

How do the breathing and blood-pumping systems work together to make sure your body has enough oxygen?

Accepted Answer

The breathing system takes in oxygen, and the blood-pumping system sends it to the whole body.

Answer

The blood-pumping system takes in oxygen, and the breathing system sends it to the whole body.

Answer

The breathing system and the blood-pumping system don't work together.

Question 7

What is the most important job of the respiratory system?

Accepted Answer

To help us breathe

Answer

To help us digest food

Answer

To help us move our muscles

Answer

To help us think

Question 8

What is a key role of the immune system in our bodies?

Accepted Answer

Fighting off germs that can make us sick

Answer

Helping us breathe

Answer

Making us grow taller

Question 9

Inside your body, there are different blood vessels that carry blood. Which of these is NOT a type of blood vessel?

Accepted Answer

Nerves

Answer

Arteries

Answer

Veins

Answer

Capillaries

Question 10

What could happen to your body if you make unhealthy choices, like eating junk food or not exercising regularly?

Accepted Answer

You might gain weight and have less energy.

Answer

Your body will become stronger and healthier.

Answer

Your skin will become clearer and your hair will grow faster.

Question 11

Besides exercising and eating healthy, what else helps us stay healthy and feel good?

Accepted Answer

Getting enough sleep

Answer

Skipping doctor's appointments

Answer

Eating lots of candy

Answer

Not washing our hands

Question 12

What part of your body do you use to take in air?

Accepted Answer

Lungs

Answer

Heart

Answer

Brain

Answer

Stomach

Question 13

Which body part takes in water and nutrients from food that has been broken down?

Accepted Answer

Small Intestine

Answer

Stomach

Answer

Large Intestine

Question 14

To stay healthy, what should you do when choosing what to eat?

Accepted Answer

Eat different types of food from all food groups in balanced amounts.

Answer

Eat only your favorite foods.

Answer

Eat as much as you want of any food you like.

Question 15

What are some ways exercise helps our bodies?

Accepted Answer

Exercise makes our muscles and bones stronger.

Accepted Answer

Exercise helps us burn energy and stay healthy.

Accepted Answer

Exercise makes us feel better and less stressed.

Answer

Exercise is not good for our health.

Question 16

When we breathe, air travels in and out of our lungs through tiny air sacs called alveoli. What happens in the alveoli?

Accepted Answer

Oxygen enters the bloodstream, and carbon dioxide leaves.

Answer

Carbon dioxide enters the bloodstream, and oxygen leaves.

Answer

Both oxygen and carbon dioxide enter the bloodstream.

Question 17

How do the nervous and muscular systems work together to help us move our bodies?

Accepted Answer

The nervous system sends signals to the muscles, telling them when to contract and relax, which results in movement.

Answer

The muscular system sends signals to the nervous system, which then tells the muscles how to move.

Answer

The nervous and muscular systems do not work together to control movement.

Question 18

How does our skin help keep us safe from germs and dirt?

Accepted Answer

By covering our bodies

Answer

By making special liquids that kill germs

Answer

By catching germs in our hair

Answer

By making us sweat

Question 19

Our bodies keep things like our temperature and sugar levels just right, even when they change outside our bodies. What is this called?

Accepted Answer

Homeostasis

Answer

Balance

Answer

Regulation

Answer

Adaptation

Question 20

Which of these is NOT a type of muscle in the human body?

Accepted Answer

Tendon

Answer

Heart muscle

Answer

Leg muscle

Answer

Stomach muscle

Question 21

What is NOT a healthy habit for our bodies?

Accepted Answer

Eating only junk food

Answer

Eating lots of fruits and vegetables

Answer

Exercising regularly

Answer

Getting a good night's sleep

Question 22

Which of these is NOT a type of cell in our bodies?

Accepted Answer

Water

Answer

Muscle cells

Answer

Bone cells

Answer

Nerve cells

Question 23

What is a key function of the lymphatic system?

Accepted Answer

Fighting germs

Answer

Transporting food

Answer

Strengthening bones

Answer

Supporting breathing

Question 24

Which type of joint allows you to move your arm in many different directions, like when you draw circles in the air?

Accepted Answer

Ball-and-Socket Joint

Answer

Fixed Joint

Answer

Hinge Joint

Answer

Pivot Joint

Question 25

After food is broken down in the stomach, where does it go next to absorb the nutrients we need to grow?

Accepted Answer

Small intestine

Answer

Large intestine

Answer

Esophagus

Answer

Pancreas

Question 26

What are the main jobs of the liver, which is like a small factory inside your body?

Accepted Answer

Making blood and cleaning it of harmful things

Answer

Pumping blood around the body

Answer

Helping us breathe by taking in oxygen

Answer

Storing food and energy

Question 27

What is one important job of our nervous system?

Accepted Answer

Sending messages from the brain to our muscles so we can move

Answer

Helping us breathe by taking in oxygen and releasing carbon dioxide

Answer

Helping us see by turning light into pictures in our brain

Question 28

Red blood cells are special cells in our blood. What is their main job?

Accepted Answer

To carry oxygen to our bodies

Answer

To protect us from getting sick

Answer

To clean our blood

Question 29

Which of these is NOT a good hygiene practice to stay healthy and clean?

Accepted Answer

Eating healthy foods

Answer

Washing hands with soap and water

Answer

Covering your mouth when you cough

Answer

Keeping your surroundings clean

Question 30

How does exercise help our bodies?

Accepted Answer

Helps our muscles, bones, and heart stay healthy.

Answer

Makes us feel tired and weak.

Answer

Makes us gain weight.

Answer

Only helps professional athletes.

Question 31

As we grow from children to adults, our bodies go through a special time called puberty. What happens during puberty?

Accepted Answer

Our bodies start to change and grow into adult bodies.

Answer

We learn how to read and write.

Answer

We start to get sick more often.

Answer

We stop growing.

Question 32

When we are born, we inherit many characteristics from our parents. What is the term for passing on these characteristics?

Accepted Answer

Heredity

Answer

Adaptation

Answer

Evolution

Question 33

Which part of your body is the largest?

Accepted Answer

Your skin

Answer

Your heart

Answer

Your brain

Answer

Your liver

Question 34

What do your lungs help you do?

Accepted Answer

Breathe

Answer

Pump blood

Answer

Digest food

Answer

Think

Question 35

What helps us move our bodies?

Accepted Answer

Our muscular system

Answer

Our circulatory system

Answer

Our nervous system

Answer

Our digestive system

Question 36

Which of these is NOT part of your digestive system?

Accepted Answer

Your brain

Answer

Your stomach

Answer

Your intestines

Answer

Your liver

Question 37

Which joint connects your arm to your shoulder?

Accepted Answer

Your shoulder joint

Answer

Your knee joint

Answer

Your elbow joint

Answer

Your hip joint

Question 38

What is a sign that you might have a cold?

Accepted Answer

Sneezing

Answer

A fever

Answer

A broken bone

Answer

A sprain

Question 39

What is the biggest blood vessel in your body called?

Accepted Answer

The aorta

Answer

A vein

Answer

An artery

Answer

A capillary

Question 40

What body part helps us breathe?

Accepted Answer

Lungs

Answer

Heart

Answer

Brain

Answer

Stomach

Question 41

Which organ pumps blood through our body?

Accepted Answer

Heart

Answer

Brain

Answer

Lungs

Answer

Stomach

Question 42

What organ controls our thoughts and actions?

Accepted Answer

Brain

Answer

Heart

Answer

Lungs

Answer

Stomach

Question 43

What system helps our body fight off infections?

Accepted Answer

Immune system

Answer

Bones

Answer

Muscles

Answer

Skin

Question 44

Which choice is NOT a healthy food?

Accepted Answer

Candy

Answer

Fruits

Answer

Vegetables

Answer

Whole grains

Question 45

What should we do to keep our bodies healthy?

Accepted Answer

Get enough sleep

Answer

Eat lots of junk food

Answer

Avoid exercise

Answer

Smoke cigarettes

Question 46

Which of these is a type of body tissue that can contract and move?

Accepted Answer

Muscle

Answer

Bone

Answer

Nerve

Answer

Organ

Question 47

What is the biggest organ in our body?

Accepted Answer

Skin

Answer

Heart

Answer

Lungs

Answer

Brain

Question 48

Which bone is found in our upper arm?

Accepted Answer

Humerus

Answer

Tibia

Answer

Femur

Answer

Fibula

Question 49

What is the main role of nerves in our body?

Accepted Answer

Sending messages to our brain

Answer

Pumping blood

Answer

Digesting food

Answer

Providing energy

Question 50

Which is the biggest organ in your body?

Accepted Answer

Skin

Answer

Heart

Answer

Brain

Answer

Liver

Question 51

What do our lungs let us do?

Accepted Answer

Breathe

Answer

Pump blood

Answer

Digest food

Answer

Protect your body

Question 52

Which is NOT a healthy food to eat?

Accepted Answer

Candy

Answer

Fruits

Answer

Vegetables

Answer

Whole grains

Question 53

What system in our body helps us move?

Accepted Answer

Muscular system

Answer

Skeletal system

Answer

Nervous system

Answer

Circulatory system

Question 54

Which is the tiniest bone in the human body?

Accepted Answer

Stapes

Answer

Femur

Answer

Tibia

Answer

Humerus

Question 55

What part of your body helps you to breathe?

Accepted Answer

Lungs

Answer

Heart

Answer

Brain

Answer

Stomach

Question 56

Which is the biggest muscle in the human body?

Accepted Answer

Gluteus maximus

Answer

Biceps

Answer

Triceps

Answer

Deltoids

Question 57

What body part helps you to hear?

Accepted Answer

Ears

Answer

Eyes

Answer

Nose

Answer

Tongue

Question 58

What is the largest organ in our body that helps protect us from injuries and infections?

Accepted Answer

Skin

Answer

Heart

Answer

Brain

Answer

Liver

Question 59

Which system is responsible for carrying oxygen and nutrients to all parts of our body?

Accepted Answer

Circulatory system

Answer

Digestive system

Answer

Respiratory system

Answer

Nervous system

Question 60

Which of these foods is a healthy choice because it helps build our muscles?

Accepted Answer

Chicken

Answer

Apple

Answer

Banana

Answer

Broccoli

Question 61

Which part of our body is made up of many bones and protects our brain?

Accepted Answer

Skull

Answer

Ribcage

Answer

Spine

Answer

Pelvis

Question 62

Which of these is a good habit that helps our bodies stay healthy?

Accepted Answer

Getting enough sleep

Answer

Eating a lot of candy

Answer

Smoking cigarettes

Answer

Never brushing our teeth

Question 63

Which of the following is NOT a part of the system that helps us breathe?

Accepted Answer

Stomach

Answer

Lungs

Answer

Nose

Answer

Trachea

Question 64

What do muscles allow us to do?

Accepted Answer

Move our bodies

Answer

Protect our organs

Answer

Store energy

Answer

Pump blood