Answer: Dopamine is a neurotransmitter. It is used by the nervous system to transfer signals between the nerve cells.
Explanation:
Adolescents are sensitive and they get easily influenced by the actions of their fellow mates. They respond impulsively towards the situations. They may take irrational decisions and may remain excited most of the times due to the presence of more number of receptors of dopamine and more amount of its secretion in the body. It is released when we are happy or feeling good. Moreover, the children in adolescents are not affected by financial and social tensions so their dopamine levels are high thus they get more good vibes and find everything more enjoyable than adults.
Animal cells do not have cell walls<span> because they </span>do not need<span> them. </span>Cell walls<span>, which are found in </span>plant cells<span>, maintain </span>cell<span> shape, almost as if each </span>cell has<span>its own exoskeleton. This rigidity allows </span>plants<span> to stand upright without the </span>need<span> for bones or musculature.</span>
Answer:
Duck pluck rescue is used to recover individuals who are submerged in the water and within reach.
The rescuer should be made to lie upwards and straight on the rescuer. This will ensure proper flow of blood to the brain and will ensure a higher degree of consciousness and lesser damage to the brain cells in the case when the patient has taken in much water which may have gone to the brain.