Human hormones GapFill

Hormones play a vital role in the coordination of the body systems. Tissues that produce hormones are called  enzyme glandsendocrine glandsexocrine glandsinsulin glands, and these are distributed across the body.

The main sex hormone in females is  oestrogenserotonintestosteroneprogesterone. Along with progesterone, it plays a role in maintaining the lining of the  uterusheartbreastsovaries during the  fertilitymenstrualperiodfeedback cycle, which repeats every approximately  2201428 days. In addition, FSH and  LHATPIVFHIV stimulate the maturation and release of an egg from the ovary.

Human fertility can be controlled through the use of contraception. Methods of contraception include using artificial  reproductioninseminationselectionhormones to prevent the maturation or release of an egg, or the use of  stoppageblockadebarrierfence methods to prevent  hormonesspermenzymesblood coming into contact with an egg. Surgical cutting methods can also be used, restricting the movement of the egg to the uterus or sperm from the testicles.

Hormones can also be used in ART to treat  polydactylyasexualitydiabetesinfertility if a woman is struggling to conceive, and can be controlled by  negative feedbackhormone chainpositive feedbacknervous system mechanisms in the body in normal day-to-day life.

Adrenaline is another important hormone in the body, and is released from the  ovariesadrenal glandspancreaspituitary gland. Its purpose is to initiate the fight or flight response, which it does by methods including increasing blood flow to the  bladdermusclesskinhands and feet, increasing  white blood cell countred blood cell countblood pressureblood volume and stimulating the  brainheartliverkidneys to convert stores of glycogen into glucose to increase blood sugar levels.