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).
Levene proposed the polynucleic model, stating that DNA and DNA were composed of nucleotides.
They are high frequency waves
Water loss is a problem for desert plants; Therefore, many plants have adaptations in their leaves to avoid losing large amounts of water. Some of these leaf adaptations are: (1) hairy or fuzzy leaves, (2) small leaves (3) curled leaves, (4) wax-coated leaves, and (5) green stems but no leaves.
Plants that live in this type of desert include the salt shrub, buckwheat shrub, black shrub, rice grass, little horse brush, black sage, and chrysothamnus. Some animals have special adaptations to cope with the desert heat and lack of water.
Learn more about desert trait below.
what is a the desert - Brainly.in
https://brainly.in › English › Secondary School
#SPJ10
