hollieclark2013 hollieclark2013
  • 08-06-2014
  • Biology
contestada

Why don't arteries need valves

Respuesta :

lawrencecilia lawrencecilia
  • 08-06-2014
Arteries don't need valves because the blood that is flowing through them is at a high pressure.
Answer Link
trickiwoo trickiwoo
  • 08-06-2014
the blood is always flowing through them at high pressures
Answer Link

Otras preguntas

Question 17 Unsaved Andrew Jackson's efforts in the nullification crisis show that he Question 17 options: supported lower tariffs on manufactured and industri
which of the following demonstrate closure in a polynomial? Select all that apply: A.(x^2+2) (x-1) B.(x^2+2) over (X -1) C.(x+1) plus (X^2-3X -2) D.(X +5)-(3X +
3/4 (8) - 1/3 (9) can someone show me with steps how to get my answer
while working at the drugstore, kurt earns $16 per hour. After spending 2 hours at working at the drugstore, how much money will kurt earn
When do most Gothic novels take place?
32-7×4+42÷6×3 Working out
A new sidewalk will be 5 feet wide, 240 feet long, and filled to a depth of 9 inches (0.75) with concrete. How many cubic yards of concrete are needed?
Pleaseeee helpppp meeeee!!!!!!!Five star rate and brainliest and thank you
why is chlorine added regularly during monsoons?
which civilization was on the raise in 500 c.e.
good job