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प्रश्न
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?
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उत्तर
As the squirrel is in a scary position, the body releases adrenaline hormones. This will cause the following immediate changes:
- Increased heart rate
- An increase in blood pressure
- Increased release of glucose in the blood
संबंधित प्रश्न
Where are hormones made in the human body?
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
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?
Which of the following endocrine gland does not occur as a pair in the human body?
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.
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 hormone regulates the ionic balance in the body?
