During a typical basketball game, a player undergoes periods of intense activity, switching between methods of respiration. The muscles rely largely upon ___ metabolism when oxygen is depleted and on metabolism once oxygen is restored.

Anaerobic, Aerobic

Explanation: Aerobic means with Oxygen,while Anaerobic means without oxygen. Aerobic exercise like running,bike ride,walking increases blood flow. In Aerobic exercise with oxygen,your body produces the muscle need to perform a needed exercise. While in Anaerobic exercise without oxygen means oxygen demand is greater than oxygen supply.

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

a = executive branch; b = judicial branch