What is a gene? the different forms of a trait a segment of DNA that is the basic unit of heredity the appearance or characteristics that are seen in an organism an organism's allele combination What controls traits and inheritance?

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.