Biopsychology - The endocrine system

Question 1

Endocrine system

Answer 1

• One of body’s major info systems that instructs glands to release hormones into blood stream
• Hormones carried towards target organs in body
• Communicate via chemicals

Question 2

Gland

Answer 2

• Organ that produces substances like hormones

- Examples: Thyroid, adrenal

Question 3

Hormones

Answer 3

• Chemical substance that circulate blood stream and only affect target organs
• Produced in large quantities but disappear quickly
• Effects are powerful
• Examples: adrenaline, testosterone

Question 4

Fight or flight response

Answer 4

• Way an animal responds when stressed

- Body becomes physiologically aroused in readiness to fight aggressor or flee.

Question 5

Adrenaline

Answer 5

• Hormone produced by the adrenal gland
• Part of body’s immediate stress response system
• Strong effects on cardiovascular system
• Stimulates heart rate, contractions of blood vessels and dilating air passages