Question

What is hormone ? Describe thyroid gland in detail.

Answer 1

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HEY BUDDY HERE IS UR ANSWER

Hormone

Regulating the substance produce within the

body of an animal or plant and carried by

blood sap to simulate cells or tissues into

action is called as hormone

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gland that makes and stores hormones that help regulate the heart rate, blood pressure, body temperature, and the rate at which food is converted into energy. Thyroid hormones are essential for the function of every cell in the body. They help regulate growth and the rate of chemical reactions (metabolism) in the body. Thyroid hormones also help children grow and develop.

The thyroid gland is located in the lower part of the neck, below the Adam's apple, wrapped around the trachea (windpipe). It has the shape of a butterfly: two wings (lobes) attached to one another by a middle part called the isthmus.

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Answer 2

Dear Student,

◆ Hormones -

• Hormones are special chemical substances in the body that are secreted in the endocrine glands.

◆ Thyroid hormones -

There are three hormones secreted by thyroid -

1. Triiodothyronine (T3)
2. Thyroxine (T4)
3. Calcitonin

# Functions of thyroid hormones -

1. Increases metabolic rate
2. Growth and development of bone, soft tissues
3. Increases sensitivity to catecholamines
4. Stimulates heart rate and contractility
5. Stimulate protein and fat synthesis
6. Maintains electrolyte balance
7. Helps in red cell formation

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