Woolly mammoths are extinct
I believe the answer is 16 calories
I believe the correct answer is c. obtain nutrient molecules
Renin is an enzyme that helps control blood pressure and regulate levels of sodium and potassium in the body. Angiotensinogen is the hormone that causes the narrowing of blood vessels. It is released from liver to form angiotensin.
<h3>What is the role of angiotensin?</h3>
Angiotensinogen is a hormone that on hydrolysis forms angiotensin
Angiotensinogen is hydrolyzed by renin enzyme and forms angiotensin.
This angiotensin helps to increase blood pressure by the process of vasoconstriction, increased aldosterone biosynthesis and renal actions.
Thus, it can be concluded renin hydrolyzes angiotensinogen, which is released from the liver, to form angiotensin.
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Answer:
Sensors or sensory receptors must sense any change in blood glucose levels.
Explanation:
A feedback system includes a receptor, control center, and effector. The receptors serve to sense the deviation from homeostasis and send the nerve impulses or chemical signals to the respective control center. The control center receives input from receptors and sends nerve impulses or chemical signals to the effectors to bring about the desired change to restore homeostasis.
Negative feedback regulation of blood sugar includes sensing the rise or drop in blood sugar levels by sensory receptors. This sensory information is sent to the control center which in turn commands the effectors (pancreas) to secrete insulin or glucagon hormones to lower down or raise the blood glucose levels. Feedback regulation does not work in the absence of any of the components (sensory receptor, control center, and effector).
