<span>b.proteins and nucleic acids
Major chromosome components are DNA (nucleic acids) and histones (proteins)</span>
<span>The generally accepted parts of modern cell theory include: All known living things are made up of one or more cells. All living cells arise from pre-existing cells by division. The cell is the fundamental unit of structure and function in all living organisms. hope this helps but you should be more specific in the future</span>
Respiratory- You breath faster to help supply the muscles with more oxygen.
Integumentary (skin) - Sweat helps cool down the body.
