Advertisements
Advertisements
प्रश्न
How does chemical coordination take place in human beings?
Advertisements
उत्तर
Chemical coordination takes place through hormones in human beings. Hormones instruct the brain when to pace up or slow down a particular function.
APPEARS IN
संबंधित प्रश्न
Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?
Name one gland which acts only as an endocrine gland.
Write the functions of testosterone and oestrogen hormones.
Match the hormones given in column I with their functions given in column II :
| Hormones | Functions |
| (i) Thyroxine | (a) Causes breasts to develop in females |
| (ii) Adrenaline | (b) Causes the male to start producing sperms |
| (iii) Insulin | (c) Prepares the body for an emergency |
| (iv) Estrogen | (d) Controls the metabolic rate |
| (v) Testosterone | (e) Regulates the amount of sugar in blood |
In what ways are puberty and adolescence result of the activity of some glands in the human body?
Which hormone prepares the body for action?
Write the names of five endocrine glands found in the human body. Name the hormones secreted by each gland.
How do hormones reach the organs they control?
One of the following acts as an endocrine gland as well as an exocrine gland. This one is :
(a) salivary gland
(b) pancreas
(c) pituitary
(d) parathyroid
Which of the following endocrine gland does not occur as a pair in the human body?
The underactive endocrine gland which causes goitre is :
(a) pancreas
(b) thyroid
(c) adrenal
(d) pituitary
The endocrine gland whose malfunctioning causes diabetes disease is :
(a) pituitary
(b) pineal
(c) parathyroid
(d) pancreas
The gland A is attached to the wind pipe in the human body. The gland A makes and secretes a hormone B which controls the metabolism of carbohydrates, fats and proteins in the body. The non-metal element C is necessary for the formation of hormone B. The deficiency of C in the diet can cause a deficiency of hormone B in the body leading to a disease D in which the neck of a person appears to be swollen. People are advised to use salt E in cooking food so as to avoid disease D.
(a) Name (i) gland A, and (ii) hormone B.
(b) What is the element C?
(c) Name one type of food which can provide sufficient C in the diet of a person.
(d) Name (i) disease D, and (ii) salt E.
Which is the target organ of both adrenaline and insulin?
(a) heart
(b) kidney
(c) liver
(d) pancreas
Which hormone regulates the ionic balance in the body?
Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release the hormone progesterone in females.
A doctor advised a person to take an injection of insulin because:
Write any three responses which enable the animal body to deal with a scary situation.
