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प्रश्न
Given below are two diagrams (one is correct, the other one is somewhat incorrect) showing the transport of a hormone from its source gland/cell to the target organ/cell.
What is the error?
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उत्तर
Hormone secreted by the endocrine gland is shown in the image A to be moving only in one direction i.e. towards the target organ. But actually the hormones poured into the blood stream may have one or more target sites at a time. The arrows shown are carried to all parts by the blood and their effect is produced only in one or more specific parts.
संबंधित प्रश्न
The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow :
Draw a neat, labelled diagram showing the longitudinal section of part 1.
The diagram give below represents an endocrine gland in the human body. Study the diagram and answer the following questions:
Why is the above gland referred to as the ‘Master gland’?
Select the odd one out of the following:
FSH, LH, STH
The deficiency of ADH causes:
Give the Technical Term: Name the glands which secrete the following hormone: ACTH
Identify the parts of adenohypophysis.
State the names of hormones and glands secreting them:
Growth of thyroid gland.
Mention if the following statement is true (T) or false (F). If false, rewrite the correct word (not words) striking out the single wrong one.
Pituitary is of the size of a lemon.
Mention if the following statement is true (T) or false (F). If false, rewrite the correct word (not words) striking out the single wrong one.
Vasopressin secreted by anterior lobe controls reabsorption of water form kidney tubules.
Name the hormones responsible for the given functions.
| Functions | Hormones | |
| (a) | Contraction of uterine muscles during child birth | ______ |
| (b) | Maintenance of corpus luteum | ______ |
| (c) | Milk formation and secretion | ______ |
| (d) | Development of external sex characters in males. | ______ |
| (e) | Stimulation of sympathetic nervous system | ______ |
