circulatory system Flashcards
1
Q
what are the main components of the circulatory system?
A
blood vessels
heart
blood
2
Q
what is the purpose of the blood vessels?
A
veins transport blood to the heart
3
Q
what are the three components of the heart?`
A
a. arteries transport blood away from the heart
b. capillaries is where diffusion of nutrients, gases, etc occur
c. heart is a pump
4
Q
what are the four components of blood?
A
a. red blood cells carries oxygen and carbon dioxide
b. white blood cells to fight infection
c. plasma (liquid part)
d. platelets (blood clothing)