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Digestive System
Muscular System
Respiratory System
Circulatory System
100

When your muscles want to move your arm, they pull on your ___________ like the strings in our robot hands

tendon

100

When you straighten your leg, the muscles on top of your leg ___________________________ and the muscles on the bottom of your leg relax.

Contract

100
The bones that protects your lungs.
What are the ribs?
100

True or False: There are 4 chambers in the heart.

True

200
The place where digestion actually starts.
What is the mouth?
200
The muscle that you see in your arm when you flex it.
What is the bicep?
200
The main purpose of the respiratory system
What is to help you breathe?
200

There are two types of blood cells in your blood stream, they are red cells and ________.

White cells

300

When you straighten your leg, the muscles on top of your leg ___________________________ and the muscles on the bottom of your leg relax.


Contract

300

When your muscle wants to move a part of your body, it pulls on the ________ which moves your bones. Just like the strings in our robot hands.

tendon

300

The three main systems you use when you pedal a bike are ____________ _______________ and _____________.

Respiratory, Circulatory, Muscular

300

Our blood cells travel around our body in our ______ ________.

Blood Stream

400

The place where the body absorbs the nutrients from your food. 

small intestine

400

When exercising, your respiratory system helps you get ______ from the air.

Oxygen

400

This element is in the air we breathe, that gets carried around by our blood cells and delivered to our muscles.

oxygen

400

There are two different tubes your blood runs through, one is an artery, the other is called your _______.

veins