Question

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Hormones make the Endocrine System work They’re always around, they always lurk. And they do so many things And to the body the blood always brings So many chemicals all over abound Each only binds to specific receptors found. Sometimes they’re high, sometimes they’re low And hormones always absolutely go Via the blood until it finds, Its special receptor, where it binds.

Q1) Identify the hormone
Q2) Mention any two of its functions
Q3) What are the components of endocrine system.

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Answer 1

Answer:

1.. Endocrine

2.. It brings blood to the body.It binds many chemicals all around.

3..

Answer 2

Answer:

Q.1):

The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function.

The hormones are Estrogen, Testosterone, Follicle-stimulating hormone (FSH), Luteinizing hormone (LH), Luteinizing hormone-releasing hormone (LHRH), Gonadotropin-releasing hormone (GnRH).

Q.2):

a) Gonadotropin releasing hormone (GnRH) is secreted from the hypothalamus and stimulates gonadotropic cells in the anterior pituitary gland to release luteinizing hormone and follicle-stimulating hormone, which in turn regulate the gametogenic and steroidogenic functions of the gonads in male and female.

b) Follicle stimulating hormone:

In women, this hormone stimulates the growth of ovarian follicles in the ovary before the release of an egg from one follicle at ovulation. It also increases oestradiol production. In men, follicle stimulating hormone acts on the Sertoli cells of the testes to stimulate sperm production (spermatogenesis).

c) Luteinizing hormone (LH):

In females, an acute rise of LH ("LH surge") triggers ovulation and development of the corpus luteum. In males, where LH had also been called interstitial cell–stimulating hormone (ICSH), it stimulates Leydig cell production of testosterone. It acts synergistically with FSH.

Q.3):

The major glands that make up the endocrine system are:

• hypothalamus
• pituitary
• thyroid
• parathyroids
• adrenals
• pineal body
• the ovaries
• the testes

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