The trachea extends from the larynx to the ________ vertebra.
A. second cervical
B. first thoracic
C. fifth thoracic
D. fourth lumbar
Answer: C
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Homeostatic regulation usually involves a(n) ________ that is sensitive to a particular stimulus (variable) and a(n) ________ whose activity has an effect on the same stimulus.
Fill in the blank(s) with the appropriate word(s).
The right half of the heart pumps blood through the ____ circuit and the left half pumps blood through the ____ circuit
a. systolic; diastolic b. coronary; pulmonary c. systemic; pulmonary d. pulmonary; systemic e. systemic; coronary
Bile salts is produced and secreted by:
a. Common bile duct b. Liver cells (hepatocytes) c. Cystic duct d. Pancreatic exocrine glands e. Gallbladder smooth muscle cell
A cerebrovascular accident (stroke) is caused by an increase in blood supply to a part of the brain due to a blocked or damaged arterial blood vessel.
Answer the following statement true (T) or false (F)