Circulatory & Respiratory Review

Front

Inhaling means your lungs are ___________ air.

Back

taking in

Front

Exhaling means your lungs are __________________ air.

Back

letting out

Front

What type of cells carry oxygen?

Back

red blood cells

Front

What are the smallest blood vessels in your body?

Back

capillaries

Front

When blood leaves the lungs and heads back to the heart, it is __________.

Back

Oxygen-rich

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, and oxygen throughout the body.

Front

What is the primary organ of the respiratory system?

Back

Lungs

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body's tissues.

Front

What do capillaries do?

Back

They connect arteries and veins and allow for the exchange of oxygen, carbon dioxide, and nutrients.

Front

What is the function of the heart?

Back

To pump blood throughout the body.