Cells need energy for various purposes
Answer:
Explanation:
BMR or basal metabolic rate can be define as the rate of expenditure of available energy when the body is in rest to keep the vital functions active such as breathing and circulation.
Males typically have higher BMR than females because they tend to have higher proportion of lean body mass as compared to females. The females as compared to males exhibit more amount of fat cells. The metabolism of fat cells is slow.
The answer is D. You really have to think about this one :)) I hope you get it right
Answer:
Abierto es sin vasos y cerrado es con vasos.
Explicación:
El sistema circulatorio abierto es un tipo de sistema que se encuentra en los invertebrados. en el que la sangre fluye libremente a través de las cavidades en lugar de los vasos sanguíneos mientras que, por otro lado, el sistema circulatorio cerrado es un tipo de sistema en el que el corazón bombea sangre y la sangre fluye a través de los vasos y capilares. Este tipo de sistema circulatorio está presente en humanos y vertebrados.
<span>Active transport works to conserve homeostasis. When cells are doing something they typically receive a signal causing channels to open, which in turn lets in a flood of molecules down their chemical gradients. Hope this answers the question.</span>
