Answer:
Cell membrane
Explanation:
According to the question, Lauren's diseased condition, which is cystic fibrosis, is characterized by her body's inability to control the flow of salt into and out of her cells leading to symptoms include coughing and wheezing when she tries to exercise.
Lauren's inability to control the movement of salt and water into her cells is as a result of an affected CELL MEMBRANE. The cell membrane is the organelle that controls what goes in and out of a cell due to its semi-permeability.
Answer:
the right atrium.
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
A.An enzyme functions to increase the rate of a chemical reaction.
