D: all of the above. All statements are true.
Answer:
A patient who can produce antibodies against some bacterial pathogens, but not against viral infections, probably has a disorder in his, B cells.
a) B cells
Answer:
The Answer is true
Explanation:
"Isokinetic exercise refers to movement at a constant speed regardless of the force applied. Muscles contract and shorten at a constant speed in isokinetic contraction."
