Skeletal System
Muscular System
Respiratory System
Circulatory System
Nervous System
100

True or False: Bones can bend.

False

Bones can't bend, but they can break.

100

What makes up your muscular system?

Muscles

100

What organ in your body is associated with the respiratory system?

Lungs

100

When you are at rest, does your heart beat slowly or quickly?

Slowly

100

What part of your body controls all things your body does?

The brain
200

How many bones does your body have?

206

200

What is the purpose of muscles?

They help you bend and move at the joints.

200

Do you ever stop breathing during the day?

No. You breathe automatically.

200

Does your heart ever stop beating throughout the day?

No. It beats even in your sleep.

200

Messages between your brain and your body are carried by what?

Nerves

300
What bone protects your brain?

Skull

300

Which muscle is not attached to bone?

Heart

300

Breathing in is called what?

Breathing out is called what?

Inhale and exhale

300

How do your kidneys help in the circulatory system?

They clean your blood.

300

Your nerves that make up your nervous system are bundled up as what?

Spinal cord

400
What bones protect your heart and lungs?

Rib cage

400
What happens to a muscle when you lift weights?

It gets stronger.

400

You breathe in what gas and you breathe out what gas?

Breathe in oxygen

Breathe out carbon dioxide

400

How does blood travel through your body?

Through blood vessels and arteries.

400

Your spinal cord is protected by what?

Spine

500
How can you tell if a bone is broken?

Get an x-ray

500

What type of muscle attaches to a bone?

Skeletal muscle

500

What muscle in your body controls your breathing?

Diaphragm

500

When you feel your heartbeat through your wrist or neck, what is that called?

Your pulse

500
What do nerves connecting your brain to your muscles do?
Control movement and balance
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