Mention the most significant function of each of the following:
Serotonin
Serotonin acts as a vasoconstrictor and prevents bleeding and increase blood pressure.
Give reasons for the following:
Nerve impulse travels in one direction due to change in voltage difference during conduction and due to the secretion of acetylchloride at symaptic cleft.
Give reasons for the following
A cut plant wilts fast even if its cut end is dipped in water.
Give reasons for the following
Jamming of wooden doors and windows takes place during rainy season.
Give reasons for the following
A person has difficulty in focusing on nearer objects, as the age increases.
Give one difference between each of the following:
Glucocorticoids and Mineralocorticoids.
