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प्रश्न
Why do you need iodine in your diet?
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उत्तर
Iodine is needed in our diet because it helps the thyroid gland in making thyroxine hormone.
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संबंधित प्रश्न
How does our body respond when adrenaline is secreted into the blood?
Name the hormones secreted by the given endocrine glands and specify one function.
Pancreas
What is the name of the system of glands which produces hormones?
Name the disease caused by the deficiency of insulin hormone in the body.
Name the hormones secreted by given endocrine glands :
Parathyroid glands
Name the hormones secreted by given endocrine glands:
Adrenal glands
State the functions of Growth hormone.
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 |
Which hormone controls the amount of glucose in blood?
Which hormone gives boys a deep voice?
Name the gland which controls the secretion of hormones from the pituitary.
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
The hormone which is associated with male puberty is called :
(a) oestrogen
(b) adrenaline
(c) testosterone
(d) progesterone
Which of the following does not act as an endocrine gland as well as an exocrine gland?
(a) testis
(b) ovary
(c) pituitary
(d) pancreas
The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is :
(a) thyroid
(b) pineal
(c) adrenal
(d) pituitary
A and B are the two systems of control and coordination in the human body. The messages in system A are transmitted in the form of chemical substances C which travel comparatively slowly through the blood stream. The substances C are made in tissues D present in the head and trunk of human body. The messages in system b are transmitted very quickly in the form of electrical impulses through fibres E. The effect of messages transmitted by system b usually lasts for a much shorter time as compared to those transmitted by system A.
(a) Name the system A. What does system A consist of?
(b) Name the chemical substance C.
(c) What is tissue D? Name any five such tissues in the human body.
(d) Name the system B. What does system B consist of?
(e) Name the fibres E.
(f) State whether system A controls the working of system B or system B controls the working of system A.
A squirrel is in a scary situation. Its body has to prepare for either fighting or running away. State the immediate changes that take place in its body so that the squirrel is able to either fight or run?
A doctor advised a person to take an injection of insulin because:
