Redundant mechanisms
To maintain homeostasis, redundant mechanisms are present in the body so that when one of the systems fails, other complementary or backup systems can help to compensate and ensure the survive of the organism by maintaining homeostasis. Examples of these redundant systems involve blood pressure regulation, temperature regulation, breathing and pH control in the body during exercise.
The cell wall keeps the shape of the plant
Antibodies are produced when the body is exposed to <span>antigens (C).</span>
Answer:
I think its either C or D
Explanation:
