« previous next »

Author Question: The only vertebrates in which blood flows directly from respiratory organs to bo (Read 465 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?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Mechanical ventilation may be necessary for clients experiencing respiratory alkalosis Mechanical ventilation may be necessary for clients experiencing respiratory alkalosis
Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th
Regulation of Blood pH and Gases Regulation of Blood pH and Gases
Blood transfusion. Blood transfusion.
Unit of blood. Unit of blood.
Insect tracheal system. Chitin rings reinforce branching, air-filled tubes in such respiratory syste Insect tracheal system. Chitin rings reinforce branching, air-filled tubes in such respiratory syste
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library