7) Use 2 sentences to explain how cellular respiration and diffusion are connected.​

Explanation:Respiration involves the diffusion of gasses (oxygen and carbon dioxide) into and out of the blood. In the lungs, carbon dioxide diffuses from the blood into the air at lung alveoli. Red blood cells then bind the oxygen that diffuses from the air into the bloodDiffusion is important to cells because it allows them to gain the useful substances they require to obtain energy

Idont really understand

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement