External respiration involves the utilization of oxygen by tissues to support metabolism. exchange of dissolved gases between the blood and the interstitial fluid. movement of air into and out of the lungs. diffusion of gases between the alveoli a

and i oop

explanation:

a. an idea which cannot be disproven!

explanation:

answerblank(1) renal fascia; blank(2) fibrous capsule;

it can affect the plants by how hot or cold the temperature

explanation:

it can affect the plants by how hot or cold the temperature is and the amount of precipitation can affect the plants cause it needs to have reasonable amount