Circulatory System Flashcards
1
Q
How does the circulatory system work?
A
The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood AWAY from the heart, the veins carry it back to the heart
2
Q
What is coronary disease?
A
is a substance called plaque builds inside the coronary arteries, it can lead to a heart attack or stroke
3
Q
Inhaled air
A
Oxygen = 20.96%
Carbon dioxide = 0.04%
Nitrogen = 79%
4
Q
Exhaled air
A
Oxygen = 16%
Carbon dioxide = 4%
Nitrogen = 79%
1% goes into the bloodstream
