English

How does our body respond when adrenaline is secreted into the blood? - Science

Advertisements
Advertisements

Questions

How does our body respond when adrenaline is secreted into the blood?

How does our body respond when adrenaline is secreted in large amounts into the blood?

Answer in Brief
Advertisements

Solution 1

When someone is in danger or in emergency then adrenal gland secrete adrenaline hormone. It is secreted directly into the blood and is transported to different parts of the body. It speeds up the heartbeat and hence supplies more oxygen to the muscles. This results in increasing breathing rate and blood pressure which enable them to fight with such urgent situation.

shaalaa.com

Solution 2

An increase in the amount of adrenaline in our body increases our heart beat, breathing rate, blood flow into the muscles and causes the liver to put more stored glucose in our blood. All these actions of adrenaline produces a lot of energy in our body very quickly and enable us to take quick action.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Control and Coordination - Exercise 2 [Page 117]

APPEARS IN

Lakhmir Singh Biology (Science) [English] Class 10
Chapter 2 Control and Coordination
Exercise 2 | Q 58.4 | Page 117
NCERT Science [English] Class 10
Chapter 6 Control and Coordination
Intext Question | Q 13. | Page 111

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

 Why is the use of iodised salt advisable?


What is the name of the system of glands which produces hormones?


Name the disease caused by the deficiency of thyroxine hormone in the body.


Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?


Which one term of the following includes the other three?
adrenalin, insulin, hormone, thyroxine, estrogen


In what ways are puberty and adolescence result of the activity of some glands in the human body?


How do hormones reach the organs they control?


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?


odine is necessary for the synthesis of which of the following hormone?
(a) adrenaline
(b) auxin
(c) thyroxine
(d) insulin


Which of the following endocrine gland does not occur as a pair in the human body?


A doctor advised a person to take injection of insulin because :
(a) his blood pressure was high
(b) his heart beat was high
(c) his blood sugar was high
(d) his thyroxine level in blood was high


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


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.


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?


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 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?


A diabetic patient suffers from the deficiency of which hormone?


Which hormone regulates the ionic balance in the body?


The hormone which increases fertility in males is called:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×