Explain why your body gets warmer when you are physically active

This excess energy is lost as heat. Second, metabolic reactions, both anaerobic and aerobic, also produce excess heat that your body needs to remove. The heat in exercising muscle causes blood vessels in the skin to dilate, increasing the blood flow to the skin.

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up