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What Are Hormonal?
Hormones are an alternate way of coordination in animals. It helps in coordinating information when it comes to the wider distribution of information to all tissues. Hormones help in regulating growth in our body. Adrenaline hormone from the endocrine gland helps in stress situations. Thyroxin hormone is necessary for balanced growth. The growth hormone controls growth in our body. The insulin hormone regulates blood glucose levels. Get Hormonal Coordination in Animals Homework Help from expert tutors at Tutorspoint
Hormonal Coordination in Animals Homework Help
Hormones are defined as chemical compounds secreted by specialized cells or glands which are helpful in transmitting information to different locations. It is also helpful in the wider distribution of information in animals. Hormones constitute an alternate way of coordination in animals besides electrical impulse transmission of information using nerve cells.
Growth regulation by hormones
Hormones secreted by various glands like endocrine glands (Fig 1) in our body helps in regulating growth by performing certain specific functions e.g. adrenaline, thyroxin, growth hormone, insulin, testosterone, and estrogen. The secretion of these hormones should be in an accurate quantity and very precise as minor changes in their level in the body may result in serious effects.
Adrenaline
This hormone is secreted by the adrenal gland and is released in stressful situations like fear, pain, anxiety, etc. It generally acts on the heart. The response of this hormone includes faster heartbeat, increased breathing rate and contraction of muscles around the digestive system, skin, diaphragm and rib muscles.
Thyroxin
This hormone is secreted by the thyroid gland and helps the body to get a balanced diet for proper growth. Thyroxin plays a major role in metabolizing protein, fats, etc. Iodine plays a major role in the secretion of thyroxin. This is the reason why iodized salt is advised in the diet. The deficiency of iodine leads to goiter disease with symptoms of the swollen neck.
Growth Hormone
This hormone helps in proper and balanced growth and development of the body. The deficiency of this hormone in childhood may lead to dwarfism.
Insulin
This hormone is secreted by the pancreas and it regulates the glucose level in blood. As the level of insulin decreases in our body concentration of glucose starts increasing leading to diabetes and many other side effects.
Testosterone and estrogen
Testosterone in the case of males and estrogen in the case of females are sex hormones that are produced at the time of puberty and help in the development of secondary sex characters in our body.