Function Of endocrine System

Question 1

What is the function of the endocrine system ?

Answer 1

Slower than nervous system but it’s effects are more widespread and powerful

Question 2

Role of glands in the endocrine system

Answer 2

Gland in organ that secretes hormones that regulate functions in the body

Question 3

Pineal gland

Answer 3

Secretes hormone melatonin

Involved regulating sleep cycle

Making person feel tired thus ready for sleep

Question 4

Adrenaline

Answer 4

Releases adrenaline

Causes physiological changes in fight or flight

Question 5

Fight or flight response

Answer 5

Automatic nervous system and endrocine system play major role in stress response in producing fight or flight response

When stressor identified by brain it activates parasympathetic branch of ANS

Question 6

Fight or flight

Answer 6

Stressor identified by Hypothalamus activates pitruitry gland, triggers activity in sympathetic branch of ANS

Adrenaline released by the Adrenal Medulla into the bloodstream

Question 7

Fight or flight

Answer 7

Fight or flight response is produced this produces physiological reactions such as increased heart rate and reduced digestion this is an automatic immediate response

Parasympathetic branch return body back to normal (Homeostasis e.g decreased heart rate)

Question 8

Adrenaline and its role in fight or flight response

Answer 8

Adrenaline is the hormone released from adrenal medulla

Travels through bloodstream and activates heart and circulatory system

Question 9

Direct and indirect effect of adrenaline

Answer 9

Direct - increase heart rate increase blood flow , increasing flow to the brain and skeletal muscles

Indirect - increase blood supply to skeletal muscles for physical actions stops digestion . Increases oxygen to brain

Question 10

Fight or flight Ao3 limitation

Answer 10

Issue with explanation of fight or flight response

Does not fully explain stress response in females

Research has found women more likely to protect offspring and form alliances with other women or offender in case of a crime (befriend) that to fight or runaway

Suggests gender (beta) bias as fight or flight assumes men and women respond in same way to threatening situations

Limiting explanation of fight or flight response