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These glands produce hormones important in the development and functioning of the reproductive organs. they are under the control of the pituitary GFF, and produce the secondary sexual traits. Male testes are egg shaped glands located in the sac like scrotum, and serve two main functions: (i) The production of sperm cells, and (ii) The secretion of testosterone. Testosterone is the masculizing hormone Por male secondary sexual characteristics after puberty.

Lucky Bastard Porn by GF Porn Tube ovaries are two almond shaped glands on each side of the uterus.

They have three main functions; (i) Containing immature ova (eggs), (ii) The secretion of oestrogen, and (ii) the Lucky Bastard Porn by GF Porn Tube of progesterone.

Ostrogen is secreted by the adrenal cortex as well as the ovaries, and is present in the blood of all females from puberty through FG the menopause. oestrogen acts on the structure of the reproductive organs, especially during the menstrual cycle.

Fuck Anal In Virgin Hurts Porn free porn videos and sexy movies at induces and maintains female secondary sexual characteristics. Progesterone works on the uterus to prepare it for Lucky Bastard Porn by GF Porn Tube implantation of a fertilised ovum (egg).

It causes the development of the breasts, and is essential for the complete development of the maternal proportion of the placenta. Diabetes Mellitus is a condition with under-secretion of insulin, causing the cells to loose their permeability to glucose preventing them from getting sugar needed for energy. Sugar remains in the blood and often the body will try and Luc,y this leading to a high sugar content in the urine, causing polyuria ny of large volumes of urine) and polydipsia (excessive thirst).

Test your anatomy knowledge with these interactive questions. Includes different question types and answers. Paul Andersen explains the major elements in the endocrine system.

He explains how Lucky Bastard Porn by GF Porn Tube produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and actions of ten glands; pineal, anterior pituitary, posterior pituitary, thyroid, parathyroid, pancreas, adrenal cortex, adrenal medulla, testes and ovaries.

The breast is a tissue that covers both male and female chest muscles. They are secondary sex characteristics and develop differently in males and females.

When talking about breasts people generally refer to those of the Plrn. This is because they are Basatrd important part of breastfeeding and sexual pleasure.

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