AP BIOLOGY

ANIMAL PHYSIOLOGY

OSMOREGULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cells that detect high blood concentration are called:
A
Chemoreceptors
B
Osmoreceptors
C
Thermoreceptors
D
Nociceptors
Explanation: 

Detailed explanation-1: -An osmoreceptor is a sensory receptor, primarily found in the hypothalamus of most homeothermic organisms, that detects changes in osmotic pressure. Osmoreceptors detect changes in plasma osmolarity (ie. concentration of solutes dissolved in the blood).

Detailed explanation-2: -An osmoreceptor is a sensory receptor primarily found in the hypothalamus of most homeothermic organisms that detects changes in osmotic pressure.

Detailed explanation-3: -An osmoreceptor is a sensory receptor that detects changes in osmotic pressure and is primarily found in the hypothalamus of most homeothermic organisms. Osmoreceptors detect changes in plasma osmolarity (that is, the concentration of solutes dissolved in the blood).

Detailed explanation-4: -There are two main types of receptors involved in the control of the body water balance-osmoreceptors and baroreceptors. Osmoreceptors reside in hypothalamus and respond to changes of extracellular fluid (ECF) osmolality. Baroreceptors are mechanoreceptors that sense blood pressure in the vessel wall.

Detailed explanation-5: -Osmoreceptors maintain the osmolality of the blood through a coordinated set of neuroendocrine, autonomic, and behavioral feedbacks. These responses aid cellular function by maintaining the osmolar gradient of various ions.

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