« previous next »

Author Question: The only vertebrates in which blood flows directly from respiratory organs to bo (Read 450 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Sep 7, 2013
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
Reply #1 on: Sep 9, 2013
Choose C

GL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Comparison of normal and sickle cell red blood cells. Comparison of normal and sickle cell red blood cells.
Measuring Blood Pressure Measuring Blood Pressure
The respiratory system. The respiratory system.
Eating calcium-rich foods daily assists with bone health, muscle contraction, and blood clotting Eating calcium-rich foods daily assists with bone health, muscle contraction, and blood clotting
Insulin, glucagon and blood glucose levels Insulin, glucagon and blood glucose levels
Velocity of Blood Flow Velocity of Blood Flow
Video: Glycolysis - and oxygen

For a complete list of videos, visit our video library