« previous next »

Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1311 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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Primary production is positively correlated with the evapotranspiration rate. Primary production is positively correlated with the evapotranspiration rate.
Metastatic process: Tumor leaving primary site to travel to other distant organs to grow. Metastatic process: Tumor leaving primary site to travel to other distant organs to grow.
Effects of the sympathetic and parasympathetic nervous systems. Effects of the sympathetic and parasympathetic nervous systems.
Systems of the Human Body Systems of the Human Body
In oogenesis, cells enter meiosis as primary oocytes In oogenesis, cells enter meiosis as primary oocytes
A comparison of political systems A comparison of political systems
Video: Male Reproductive System - The gonadotropin releasing hormone

For a complete list of videos, visit our video library