The answer would be D because a doesn't make since then b and c increase so the answer has to be D
Answer:
external influences
Explanation:
The list of influences are all outsiders. They are not the person.
Answer:Trachea: A tube-like portion of the respiratory tract that connects the larynx with the bronchial parts of the lungs. Also known as windpipe.
Explanation:hope this helps
Answer: the contraction and relaxation of the muscles in the gut and the airways
Explanation: I hope this answers your question
A and B
I don’t have an explanation I just know it