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प्रश्न
Write any three responses which enable the animal body to deal with a scary situation.
Write two responses that enable the human body to be ready to deal with a scary situation.
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उत्तर
- The target organs or the specific tissues on which it acts include the heart. As a result, the heart beats faster, resulting in a supply of more oxygen to our muscles.
- The blood to the digestive system and skin is reduced due to the contraction of muscles around small arteries in these organs. This diverts the blood to our skeletal muscles.
- The breathing rate also increases because of the contractions of the diaphragm and the rib muscles.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Name one hormone secreted by the pituitary gland
Name the hormones secreted by testes.
Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?
Name the hormones secreted by given endocrine glands :
Pancreas
Which hormone gives girls soft skin?
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 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 diabetic patient suffers from the deficiency of which hormone?
