« previous next »

Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1310 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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

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

Red algae and primary plastid of the supergroup Archaeplastida. Red algae and primary plastid of the supergroup Archaeplastida.
Primary factors affecting blood pressure Primary factors affecting blood pressure
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
The thymus, a primary lymphoid organ where T cells mature. The thymus, a primary lymphoid organ where T cells mature.
Artesian Systems Artesian Systems
Comparison of Control by the Nervous and Endocrine Systems Comparison of Control by the Nervous and Endocrine Systems
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library