« previous next »

Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1313 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?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

The internal organization of cells, tissues, organs, and organ systems in a mammal. The internal organization of cells, tissues, organs, and organ systems in a mammal.
Herbivore biomass is positively correlated with net aboveground primary production. Herbivore biomass is positively correlated with net aboveground primary production.
Living systems such as the human body consist of closely interrelated elements Living systems such as the human body consist of closely interrelated elements
Vertical filing systems offer an alternative to traditional upright storage systems Vertical filing systems offer an alternative to traditional upright storage systems
Select of Primary and Secondary Procedures Select of Primary and Secondary Procedures
Primary motor area of cerebral cortex Primary motor area of cerebral cortex
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library