Compared to arteries, valves have no pulse, have thin walls and have valves that prevent backflow of the blood. The pressure in the veins is less than that of the arteries, hence, there is no pulse. They are nearer to the surface of the skin. It also connects arteries and capillaries which transport blood all throughout the circulatory system.
Answer:
Ocean-Continent Convergence
Explanation:
Answer:
#2
Explanation:
I don't really think either of them are false though. They're both technically accurate but I believe it's #2
They are related because the high pitch sounds correspond to the sound waves which give high and low frequencies.
