Answer:
Astrocytes.
Explanation:
Astrocytes are the star shaped cells that are present in the brain and spinal cord. The exact constitution of astrocytes in the brain is not known and almost 20% to 40% astrocytes are present in brain.
The astrocytes acts as the blood brain barrier and involved in the process of brain scarring. Astrocytes also regulate ions concentration by propagating the calcium ion channels in response to the stimulus. Astrocytes also generate a response by the calcium dependent release of glutamate.
Thus, the correct answer is option (B).
Is there a picture for this question?
<span>The tropical rain
forest biome or ecosystem has the highest net primary productivity. It is considered as the highest net primary
productivity for the fact that rainforests usually receives a rainfall of at
least 80 inches or 200 cm rain per year.
It is also believed by the scientists that the rainforests consists of
about half of the plants and animals that are found on the Earth’s land
surface, or even lived near the rainforest areas. Given also the fact that there is an abundant
sunlight in rainforest aside from the abundant amount of rain, its warm
temperatures, and a fast turnover of nutrients, these are the reason why
tropical rainforests is named as the highest net primary productivity.</span>
Explanation:
The Law of Conservation of Mass can be stated as "mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction."
PH will decrease and PCO2 increase.
