I think it’s B
Hope that’s right
Answer:
trachea is not part of that system, that's a different system.
Explanation:
The answer is D, because it is a form of camouflage and an adaptation to the environment for self defense
The effect of such toxic chemicals to the body is that they stimulate uncontrolled cell division. Uncontrolled cell division or cells proliferation may lead to cancer. The unchecked cell growth results to mutations in genes that can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death.
