It’s the first answer choice :)
I believe that substance would be water.
<span>It should be streptococci</span>
Answer:
It will decrease their ability to exchange air into and out of the lungs, decreasing gas exchange.
Explanation:
Muscular dystrophy is a rare genetic disease of the skeletal system which occurs early in childhood. Other symptom of muscular dystrophy include impaired learning,muscle stiffness and pain. The rib cage protects and houses the lungs. When the muscle of the rib cages gets impaired then it affects how gases are inhaled and exhaled.
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.