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प्रश्न
There are two similar glands P which are located on top of two similar organs Q in the human body. P are often called the emergency glands and they secrete a hormone R into the blood stream. R is secreted in large amounts when a person is frightened. It brings about temporary changes in the body which allow a lot of substance S from the liver to go into the blood to provide a lot of energy in a very short time. This helps a person to fight back or run away from the frightening situation.
What are P, Q, R and S?
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उत्तर
P is adrenal glands.
Q is kidneys.
R is adrenaline hormone.
S is glucose.
Humans have two adrenal glands, which are located on top of the kidneys. They are often called emergency glands. They secrete adrenaline into the bloodstream. It is secreted in large amounts when a person is frightened.
Adrenal gland brings about temporary changes in the body which allow glucose from the liver to go into the bloodstream. This provides a lot of energy in a very short time.
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संबंधित प्रश्न
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What is the name of the system of glands which produces hormones?
Fill in the following blanks with suitable words :
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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.
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Name the gland which controls the secretion of hormones from the pituitary.
Name the disease which occurs in adults due to the deficiency of iodine in the diet. What is the main symptom of this disease?
Which of the following hormone prepares our body for action in emergency situations?
(a) testosterone
(b) growth hormone
(c) adrenaline
(d) insulin
Which of the following endocrine gland does not occur as a pair in the human body?
One of the following statements is not true about thyroxine. This is :
(a) Thyroid gland requires iron to synthesise thyroxine
(b) It regulates carbohydrate, protein and fat metabolism
(c) Iodine is essential for the synthesis of thyroxine
(d) Thyroid gland can enlarge due to lack of thyroxine
The endocrine gland whose malfunctioning causes diabetes disease is :
(a) pituitary
(b) pineal
(c) parathyroid
(d) pancreas
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(a) diabetes
(b) gonorrhoea
(c) dysentery
(d) goitre
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Which is the target organ of both adrenaline and insulin?
(a) heart
(b) kidney
(c) liver
(d) pancreas
A and B are two pairs of glands that are present in the human endocrine system. The pair A is found only in females, whereas B is present only in males. Glands A make and secrete two hormones C and D, whereas glands B make and secrete only one hormone E. In addition to hormones, Glands A make gametes F, whereas glands B make gametes G.
(a) What are the glands A?
(b) What are the hormones C and D?
(c) What are the glands B? Name the hormone E.
(d) What are the gametes F and G?
(e) Which event in the life of males and females is associated with the secretion of the hormones C, D and E?
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