With the exception of the brain, how are materials exchanged across capillary walls elsewhere in the body?
a. by carrier-mediated transport systems
b. by active protein carriers
c. by capillary shuttles
d. mainly by diffusion
e. mainly by membrane binding
d
You might also like to view...
Compared to the extracellular fluid, cytosol contains
A) a higher concentration of potassium ions. B) a lower concentration of dissolved proteins. C) almost no glycogen. D) a higher concentration of amino acids. E) almost no lipids.
The __________ horn is the area of the spinal cord that contains somas of somatic motor neurons.
Fill in the blank(s) with the appropriate word(s).
What nervous system condition can result in circling or lack of coordination?
What will be an ideal response?
The ciliary body is a modified part of this layer (tunic) of the eyeball
A) sensory layer (retina) B) fibrous layer (sclera) C) vascular layer (uvea)