Each hemoglobin molecule can transport up to ________ oxygen molecules.
A. 6
B. 4
C. 3
D. 5
E. 2
Answer: B
You might also like to view...
The primary function(s) of the respiratory system is (are):
to move air to and from the exchange surfaces to provide an area for gas exchange between air and circulating blood to protect respiratory surfaces from dehydration and environmental variations to provide structures for phonation all of the choices are correct
The nervous and endocrine systems work closely together to maintain body functions.
Answer the following statement true (T) or false (F)
Atrial contraction occurs just before
A. atrial relaxation and ventricular filling. B. isovolumetric relaxation. C. ventricular ejection. D. isovolumetric contraction.
Cells lose water when placed in a __________ solution
A) hypotonic B) dilute C) isotonic D) hypertonic