Homeostasis is a self-regulating technique by which systems
in the body maintain stability and tend to adjust to optimal conditions which
are essential for survival. Thereby, the role of homeostasis is to help the
body maintain constant internal environment. A good example of homeostasis
would be ‘drinking excess alcohol causes vomiting’.
Yes because they still need water to function. Fungal cells are interesting in that they have a cell wall like plant cells, but that cell wall ismade up of chitin.<span>They are also heterotrophic, normally feeding on dead organic material. Hope it helps. </span>
Answer: A
Explanation: The elements in the compounds get rearranged. You can't change the amount of hydrogen, oxygen, or carbon the product contains
Answer:
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Explanation:
All three have sacs known as alveoli just beneath their plasma membranes.
Neural control of GFR is mediated by Sympathetic neurons that innervate alpha receptors on vascular smooth muscle causing Vasoconstriction.
<h3>How is GFR regulated?</h3>
- The sympathetic division of the nervous system regulates the GFR or Glomerular Filtration Rate.
- GFR is the sum total of filtration rates of all the working nephrons in the kidney.
- Sympathetic division comes into action when the mean arterial pressure is very low (below 80mmHg).
- In response to low blood pressure, the medulla releases norepinephrine through sympathetic nerves.
- Norepinephrine leads to activation of alpha receptors on arteries which cause vasoconstriction.
- Alpha receptors are more abundant on afferent arterioles.
- This leads to vasoconstriction (narrowing) of arteries supplying to the glomerulus.
- This decreases blood flow to glomerulus, leading to decrease in GFR.
Learn more about Glomerular Filtration Rate here:
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