3.2 The Circulatory systemes Flashcards
1
Q
What does the circulation system do?
A
It circulates blood around the body and carries oxygen and nutrients around the body.
2
Q
What happens when the heart relaxes?
A
The blood is drawn back toward the heart through open-ended pores.
3
Q
What does Arteries mean?
A
A blood vessel that carries blood away from the heart.
4
Q
What does Veins mean?
A
A blood vessel that returns blood to the hart.
5
Q
What does Capillaries mean?
A
A very tiny blood vessel connecting the smallest arteries with the smallest veins.
6
Q
What does Atria mean?
A
The chambers of the heart that receive blood from the body and lungs.
7
Q
What does Ventricles mean?
A
A larger more muscular chamber of the heart that pumps blood around the body.