Answer:
Documentation,link section ,definition section ,main function ,etc
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
Answer: By us people breathing in oxygen and breathing out carbon dioxide.
The path electrons take to orbit the nucleus is called shell.
