the answer is decomposition.
By warming up your muscles (I am assuming you mean by stretching and doing jumping jacks and such, not sitting yourself in front of a heater...) you will have a better overall workout. Your muscles will be ready to work and you will not tire as fast. Also, your muscles will feel better the next day because you got them ready to work out.
Answer: Sexual reproduction
Explanation: Sexual reproduction, also known as meiosis, involves two organisms. Meiosis results in four haploid cells that are genetically different due to crossing over in prophase l, random fertilization, and the arrangements of chromosomes in metaphase l.
