hrijaymadathil hrijaymadathil
  • 15-01-2019
  • Biology
contestada

veins have thin and elastic muscular walls. why?

Respuesta :

oghenekevwe
oghenekevwe oghenekevwe
  • 15-01-2019
because blood pressure in them is low
Answer Link

Otras preguntas

Why was the Dudley castle built?
If vascular plants have so many advantages, why do you think nonvascular plants still exist on earth today?
If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?
What does it mean to say that momentum is conserved?
Ants communicate with chemicals called a. silica. b. metronomes. c. biomes. d. pheromones
Substitution method 1) 3x + y = 7 4x + 2y = 16 2) 2x + 2y = 4 X - 2y = 0
If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?
why was Richard Arkwright important in the industrial revolution?
You go to another forest and measure the shadow of a tree as being 6 meters long. The shadow of your meter stick is 2 meters long. How tall is the tree?
Two long tubes of muscle that lead from the stomach and help absorb food are the _____ and the_________ .