What are the chemical messengers for the nervous system?

a. hormones released into the blood
b. hormones released into the synaptic cleft
c. hormones released in the spinal canal
d. neurotransmitters released into the synaptic cleft
e. neurotransmitters released into the blood


d

Anatomy & Physiology

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In a situation where one small bronchus is obstructed, the air in that segment of the lung will develop a high partial pressure of carbon dioxide and a low partial pressure of oxygen

What changes in ventilation and perfusion will occur in that segment in response to this condition? What will be an ideal response?

Anatomy & Physiology

In the aerobic metabolism of glucose, ________ acts as the final electron acceptor.

A) ATP B) oxygen C) lactate D) water E) carbon dioxide

Anatomy & Physiology

The ___________ sleep center in the hypothalamus contains sleep-on neurons

Fill in the blank(s) with correct word

Anatomy & Physiology

The baroreceptor reflex would cause which of the following events to occur if the reflex was caused by an increase in blood pressure?

A. Increased parasympathetic stimulation of the heart B. Increased heart rate C. Increased cardiac output D. Increased sympathetic stimulation of the heart E. Increased force of contraction

Anatomy & Physiology