Author Question: A portal system is A) an area connecting arterioles to venules. B) a series of (Read 415 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?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library