Author Question: A portal system is A) an area connecting arterioles to venules. B) a series of (Read 408 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
A portal system is
A)  an area connecting arterioles to venules.
B)  a series of vessels that returns blood to the heart in an animal with an open circulatory system.
C)  a space within or between organs where blood is allowed to pool.
D)  a slightly muscular vessel that has minimal pumping action in an organism with no heart.
E)  a vessel or vessels connecting two capillary beds.



coco

  • Hero Member
  • *****
  • Posts: 739

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library