Using one or more examples, explain functions of two hormones in human behavior.


-Hormone: A chemical secreted by an endocrine gland. Travels through the bloodstream. Usually involved in longterm functioning of the body.



-oestrogen (also estrogen): female sex hormones

· regulates the menstrual cycle and prepares the uterus for pregnancy

· can lead to memory problems

· evolution theory believes that female have more estrogen to reproduce

· affect shape of women's body --> suitable for prenancy

-androgen: any of a group of hormones that primarily influence the growth and development of the male reproductive system (source)

· controls the development and maintenance of masculine characteristics

evolution theory explains that men need to protect woman, so this hormone activate their aggression

-adrenaline: hormone secreted by the adrenal gland, it is also called Epinephrine. (source)

· helps the body to adjust to sudden stress when faced with sudden situation, adrenaline rush into veins --> bodily function stops --> determine how we feel --> ready for escape/adjust

when angry or frightened --> the adrenal gland release adrenaline into the blood --> hormone causes changes in the body to make it more efficient for "fight or flight"

· increases the strength and rate of the heartbeat

· raises the blood pressure

Speeds up the conversion of glycogen into glucose --> provide energy to the muscles (stress)

· can be used to treat some sickness


Case Studies:
BLOA #7 Sample Essay.doc










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