Question

question 1 1 pts the function of the biceps brachii is to: extend the wrist flex the wrist extend the forearm flex the forearm question 2 1 pts during strenuous exercise, muscle fatigue is caused by the production of _ when there is no _ present in the muscle fibers. oxygen/lactic acid lactic acid/carbon dioxide carbon dioxide/glucose lactic acid/oxygen

Explanation:

For Question 1, the biceps brachii is a muscle in the upper - arm that flexes the forearm at the elbow joint. For Question 2, during strenuous exercise, when oxygen is lacking in muscle fibers, anaerobic respiration occurs, producing lactic acid which causes muscle fatigue.

Answer:

Question 1: flex the forearm
Question 2: lactic acid/oxygen