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प्रश्न
How does chemical coordination take place in human beings?
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उत्तर
Chemical coordination takes place through hormones in human beings. Hormones instruct the brain when to pace up or slow down a particular function.
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संबंधित प्रश्न
Why is the use of iodised salt advisable?
Name the hormones secreted by the given endocrine glands and specify one function.
Pancreas
Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?
Name one gland which acts both as an endocrine gland as well as an exocrine gland.
What part does the diet play in helping us to have a healthy thyroid gland?
Which one term of the following includes the other three?
thyroid, ductless gland, thymus, pituitary, ovary
Name the hormones secreted by given endocrine glands :
Parathyroid glands
Name the hormones secreted by given endocrine glands:
Adrenal glands
Why is the use of iodised salt advisable?
Write the names of all the major endocrine glands present in the human body. Which of these glands also function as exocrine glands?
Which hormone gives boys a deep voice?
Name the gland which controls the secretion of hormones from the pituitary.
The hormone which is associated with male puberty is called :
(a) oestrogen
(b) adrenaline
(c) testosterone
(d) progesterone
The dramatic changes in body features associated with puberty are mainly because of the secretions of :
(a) estrogen from testes and testosterone from ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from ovary
(d) testosterone from thyroid gland and estrogen from pituitary gland
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.
A piece of thread was tied tightly around an animal's pancreatic duct. The animal subsequently had difficulty in digesting food but did not get diabetes. Explain.
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 diabetic patient suffers from the deficiency of which hormone?
Assertion: On attaining puberty, breast size increases and reproductive organs develop in females.
Reason: Ovaries release the hormone progesterone in females.
