No the answer is not A because all your mucus builds up in your respiratory system not respiratory secretion. <span />
The choices for this question can be found elsewhere and as follows:
a. decreased significantly
b. increased significantly
c. stayed at the same levels
d. decreased slightly
I believe the correct answer from the choices listed above is option B. <span>Over the past 20 years, the major pollutants in our world have increased significantly. It is very evident when you look at the environmental statistics.</span>
Baroreceptors. They help to regulate and stabilise blood pressure.
Answer: True
Explanation: Signals or information are passed over the synapse between neurons, which allows information to travel throughout the nervous system. Signals travel along the axon of a neuron in the form of an electrical impulse.
