Author Question: The only vertebrates in which blood flows directly from respiratory organs to bo (Read 478 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the
A)  amphibians.
B)  birds.
C)  fishes.
D)  mammals.
E)  reptiles.



coco

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

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library