Answer:
<em><u>Active transport is an important form of substance transport on the inner surface of the small intestine. ... Active transport allows these cells to take up salts from this dilute solution and against the concentration gradient</u></em>
Explanation:
and i'm mexican
Answer:
The correct answer is "Muscles of facial expression".
Explanation:
The muscles of facial expression belong to the skull and often are attached to the skin. This is particularly true for the muscles of the cheeks, allowing to open the oral cavity. The muscles of the cheeks are inserted into the skin and the mucous membranes of the lips, allowing for the changes of facial expressions that comes from emotions.
Explanation:
a living system is a system in an organism consisting of organs. each organs carry out different functions to ense life processes can be carried out effectively. The function of the organs are determined by the cells which make up the tissues. The connections are important to remove wastes/toxins out of the body and help absorb nutrienys, in some cases produce hormones as a form of homeostasis to ensure the body remains in a healthy optimised state constantly.
