1. A command to the body is issued in the form of a A) nerve B) enzyme C) hormon

Question

1. A command to the body is issued in the form of a    A) nerve   B) enzyme C) hormone

2. Dehydration is detected by osmoreceptors in which gland

    A. pituitary     B. hypothalamus   C. pancreas

3. Which gland releases ADH? A. pituitary    B. hypothalamus   C. pancreas

4. Hormone molecules are transported to target cells through the

   A. Blood stream   B. Brain   C. water

5.When hormone molecules reach target cells ,this causes the kidney to reduce urine output which A. decreases water retention

                      B. does not change the amount of water in the body

                      C. increases water retention

Explanation / Answer

1 A commanded to the body is issued in the form of hormones. Hormones are the chemicals secreted by endocrine gland direct through blood stream by the order of brain. Harmone responsible for our growth from embryonic stage. Harmome responsible for our emotions, hunger thrust, digestion, respiration reproduction ect.

2 dehydration is detected by osmoreceptor in hypothalamus . Osmoreceptor cells are present in front wall of third vertical and cluster of cells on this surface.

3 ADH is released by pitutary gland. Posterior pituitary release ADH (anti diuretic Hormone) function of ADH is to absorb the water in renal tubule.

4 Hormone molecule are transported by blood stream. Blood is formed by blood plasma and blood corpuscles. Hormones transported by blood plasma.

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