Answer:
Harmful
Explanation:
When you have an autoimmune disorder, your immune system does not distinguish between healthy tissue and potentially harmful antigens.
Answer: Option C) Reduction is the gain of electrons.
Explanation:
Reduction is a process involving a gain of electron(s), while oxidation involves a loss of electron(s).
Thus, an oxidizing agent is a substance that accepts electron(s) and become reduced, while a reducing agent is a substance that donates electron(s) and so becomes oxidized.
Thus, reduction is the gain of electron(s)
The correct answer is a. with; diffusion
Answer:
D. Oral cavity to the trachea to the larynx to the right and left main bronchi.
Explanation: