Answer:
Precapillary sphincters increase the flow of blood through a tissue when they relax.
<em>a)True</em>
Explanation:
Precapillary sphincters are rings of smooth muscle bands that surround the capillary opening. These structures help regulate blood flow and blood pressure. They respond to the body's needs and receive nerve and hormonal signals to relax or contract in consequence.
Answer:
Chlorpromazine treats mental disorders, severe behavior disorders, severe hiccups, severe nausea and vomiting, and certain types of porphyria. Also used before and after surgery to relieve anxiety. Belongs to a class of drugs called phenothiazines.
Answer: When your vocal cords produce a louder sound, it is known that the vibrating vocal cords produce sound waves.
Explanation:
