Oxygen debt in muscles may develop because of
A. the inability of myoglobin molecules to store enough oxygen when skeletal muscles are used strenuously for a minute or two.
B. too much oxygen used in forming pyruvic acid when skeletal muscles are contracted strenuously for a minute or two.
C. the inability of respiratory and circulatory systems to supply enough oxygen to skeletal muscles when used strenuously for a minute or two.
D. too high a concentration of oxygen in the atmosphere.
Answer: C
You might also like to view...
Which is the largest compartment of extracellular water?
A. Interstitial fluid B. Plasma C. Transcellular fluid D. Lymph
A positive feedback loop is necessary in which of the following situations?
A) Childbirth B) Bleeding C) Coughing D) Blood pressure
Neurons consist of a cell body, a single dendrite and multiple axons.
A. True B. False
Robin takes an anticholinergic drug to deal with her allergies. Explain why she often experiences constipation
What will be an ideal response?