Circulatory and Respiratory Human Body Systems

You breathe about 20,000 times a day.

The main organs of the respiratory system are the arteries.

The __________ system is responsible for bringing oxygen into the lungs and releasing carbon dioxide from the body

I've enjoyed science this year! :-) We will miss you!!!

It's important to take care of your lungs by exercising and avoiding pollutants.

What ALL does the circulatory system include?

Blood functions as part of the __________ system and the __________ system.

The __________ system is made up of the heart, blood vessels, and blood.

Veins carry blood TO the heart; Arteries carry blood AWAY from the heart.

An astronaut's heart rate slows down to compensate while in space, due to having a lower blood volume.