SCI - heart.

Question 1

adaptation of an artery

Answer 1

thick walls to withstand high pressures, a narrow lumen

Question 2

adaption of capillaries

Answer 2

have walls only one cell thick, meaning their walls are very thin

Question 3

adaption of vein

Answer 3

thinner walls and larger lumen, and having valves to prevent the back-flow of blood.

Question 4

function of arteries

Answer 4

carry blood away from the heart,Pulmonary arteries transport blood that has a low oxygen content from the right ventricle to the lungs.

Question 5

function of capillaries

Answer 5

exchange of materials between the blood and tissue cells.

Question 6

function of veins

Answer 6

exchange of materials between the blood and tissue cells.

Question 7

main parts of the heart and where?

Answer 7

he left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers).

Question 8

What are the functions of the heart?

Answer 8

pumps blood around your body as your heart beats.