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Respiratory Structure
Respiratory Function
Circulatory Structure
Circulatory Function
Digestive System
100

The structure in your body that protects your lungs

What is your rib cage?

100

This muscle moves up and down changing the volume of air that moves in and out

What is the diaphragm?

100
Tubes that carry blood away from the heart.
What are arteries?
100
When your body needs more oxygen your heart rate goes up or down?
What is up?
100

Where does the first step of the digestive system take place?

The mouth

200

Small sacs in the lungs where gas exchange occurs

What are alveoli?

200

Which has more oxygen: inhaled air or exhaled air

What is inhaled air?

200
Tubes that carry blood to the heart.
What are veins
200

Ms. Smith has been sitting with her students reading, she gets up and carries a bunch of books to the front of the classroom--her heart rate will increase or decrease?

What is increase?

200

Breaking down of materials by breaking, tearing, crushing and mashing is called (a type of digestion)

What is mechanical digestion?

300

The two tubes that branch off from the trachea

What are bronchi?

300

True or False: Carbon Dioxide travels through veins

true

300
Tiny tubes that are very thin and perform gas exchange.
What are capillaries?
300

True or false: Oxygen travels through arteries and then gets dropped off in cells.

true

300

The breaking down of food into smaller pieces by substances like saliva or enzymes (a type of digestion)

What is chemical digestion?

400
Tubes that branch out into the lungs.
What are bronchioles?
400
The respiratory system brings oxygen into the system what does it release?
What is carbon dioxide
400
Bright red blood is in contact with what?
What is oxygen?
400
Cells that carry oxygen in the blood.
What are red blood cells.
400

How does the small intestines send nutrients to the rest of the body?

Through absorption into the blood stream.

500

This is also known as the windpipe

What is the trachea?

500
Carbon dioxide molecules diffuse out of cells into the blood through this process
What is gas exchange?
500
The heart is made up of 4 chambers 2 atriums and 2...
What are ventricles?
500
The heart pumps blood to two locations.
What are the body and lungs?
500

What is the main function of the large intestines?

Absorbs water and gets rid of waste