Endocrine Glands in Human Beings (Control and-11 PDF)
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Uploaded by JudiciousTroll
2024
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Summary
This document discusses endocrine glands in human beings, focusing specifically on the hormonal regulation of growth and coordinated development. It details how hormones like thyroxin and growth hormone are crucial for various bodily functions and how their dysregulation can lead to health issues like goitre and dwarfism.
Full Transcript
(a) (b) Figure 6.7 Endocrine glands in human beings (a) male, (b) female Let us examine some examples to understand how hormones help in coordinated growth. We hav...
(a) (b) Figure 6.7 Endocrine glands in human beings (a) male, (b) female Let us examine some examples to understand how hormones help in coordinated growth. We have all seen salt packets which say ‘iodised salt’ or ‘enriched with iodine’. Why is it important for us to have iodised salt in our diet? Iodine is necessary for the thyroid gland to make thyroxin hormone. Thyroxin regulates carbohydrate, protein and fat Do You Know? metabolism in the body so as to provide the best balance for growth. Hypothalamus plays Iodine is essential for the synthesis of thyroxin. In case iodine is deficient an important role in in our diet, there is a possibility that we might suffer from goitre. One the release of many of the symptoms in this disease is a swollen neck. Can you correlate hormones. For this with the position of the thyroid gland in Fig. 6.7? example, when the Sometimes we come across people who are either very short (dwarfs) level of growth or extremely tall (giants). Have you ever wondered how this happens? hormone is low, the Growth hormone is one of the hormones secreted by the pituitary. As hypothalamus its name indicates, growth hormone regulates growth and development releases growth of the body. If there is a deficiency of this hormone in childhood, it hormone releasing leads to dwarfism. factor which You must have noticed many dramatic changes in your appearance stimulates the as well as that of your friends as you approached 10–12 years of age. pituitary gland to These changes associated with puberty are because of the secretion of release growth testosterone in males and oestrogen in females. hormone. Do you know anyone in your family or friends who has been advised by the doctor to take less sugar in their diet because they are suffering from diabetes? As a treatment, they might be taking injections of insulin. This is a hormone which is produced by the pancreas and helps in regulating blood sugar levels. If it is not secreted in proper amounts, the sugar level in the blood rises causing many harmful effects. 110 Science 2024-25
