Warm up How do muscles help you move?.

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Presentation transcript:

Warm up How do muscles help you move?

Cellular Respiration Connection

Aerobic( uses O2) Respiration Aerobic cellular respiration takes place in the membranes of mitochondria in cells. But it is necessary for activities that involve the entire organism. This set of chemical reactions is closely connected to the life processes of all organisms!

ATP! You know that cellular respiration makes ATP that the cells can use as energy to do work. During exercise, muscle cells do important work. These cells produce movement that can allow animals to run, jump, or fly. Producing movement requires a great deal of energy, so the ATP in these cells gets used up quickly when animals are active. When ATP is present, it changes the shape of muscle cells by binding to proteins. This shape change produces movement. As ATP gets used up, cellular respiration occurs and uses oxygen to make more ATP. But as oxygen gets used up, it is harder to make ATP. An exercising animal might start breathing heavily to get more oxygen

Plants! Photosynthesis is the process of making food from the Sun’s energy, carbon dioxide, and water. The food that results from photosynthesis still needs cellular respiration to break it down, releasing the energy in usable form. A plant cell has mitochondria for cellular respiration just as an animal cell does.