The answer would be D. Muscle cells have multiple nuclei
Explanation: Muscle cells have multiple nuclei which allow the production of large amounts of proteins and enzymes needed for muscle contraction.
Circuit training involves a series of strength training exercises with incomplete recovery. Thegoal of circuit training is to accumulate lactic acid and release growth hormone in the body. You can expect to see increases in work capacity and muscular endurance but not increases in speed or strength.Mar 17, 2011.hope this help please let me know
Answer:
A. heroin that is the answer