In order to maximize diffusion across the surfaces of a gill, oxygen-rich water flows in the opposite direction of oxygen-poor blood. This concept is called
A. pneumonectomy.
B. countercurrent flow.
C. hemoglobin saturation shift.
D. reverse expiration.
E. partial pressure saturation.
Answer: B
Biology & Microbiology
You might also like to view...
Most of the enzymes that catalyze the biochemical reactions involving amino acids recognize the L
stereoisomer.
Indicate whether the statement is true or false.
Biology & Microbiology
Why is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity? What will be an ideal response?
Biology & Microbiology
All of the following are innervated by the Ophthalmic Nerve (V1 of the Trigeminal Nerve, CN V), EXCEPT
A. Bridge of Nose B. Conjunctiva of Eye C. Scalp of Forehead D. Upper Eyelid E. Upper Lip
Biology & Microbiology
Cholera treatment involves consuming a mixture of ALL the following EXCEPT
a. sodium chloride. b. sodium bicarbonate. c. potassium chloride. d. zinc oxide.
Biology & Microbiology