Match the descriptions with the correct types of motor units. recruited last contains fast muscle fibers that use aerobic respiration contains muscle fibers used for routine movements contains muscle fibers with the lowest myoglobin content contains muscle fibers with the slowest contraction speed have slow and relatively weak contractions

a. type i
b. type iia
c. type iib

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!