« previous next »

Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1316 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Sep 7, 2013
Circulatory systems have the primary benefit of overcoming the shortcomings of
A)  temperature differences between the lungs and the active tissue.
B)  the slow rate at which diffusion occurs across cells.
C)  communication systems involving only the nervous system.
D)  having to cushion animals from trauma.
E)  fetal organisms maintaining an optimal body temperature.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Sep 9, 2013
Choose B

GL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

El Niño and areas of high marine primary production around the Galapagos Islands. Noti El Niño and areas of high marine primary production around the Galapagos Islands. Noti
Organ systems of the body with major functions. Organ systems of the body with major functions.
Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes
Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
Development of the Reproductive Systems Development of the Reproductive Systems
Primary material used for HEADERS Primary material used for HEADERS
Video: Simple and Double Sugar

For a complete list of videos, visit our video library