core biological - hormones & pheromones

Question 1

what is a hormone?

Answer 1

a chemical that is secreted by the adrenal glands in the endocrine system - released directly into the bloodstream

Question 2

what is cortisol?

Answer 2

the primary hormone released in response to stress
it is designed to trigger a fight or flight response - a natural & instinctive response to stressful situations which is necessary for survival

Question 3

what study can be used for the hormones question?

Answer 3

newcomer et al (1999)

Question 4

what are pheromones?

Answer 4

a chemical substance produced and released into the environment by an animal - affecting the behaviour or physiology of others of its own species

Question 5

what are the two types of pheromones?

Answer 5

1) priming pheromones: causes slow & long term physiological changes such as hormonal effects
2) signalling pheromones: produces rapid behavioural effects such as mating

Question 6

do humans have pheromones?

Answer 6

it is unclear

Question 7

what study goes with the pheromones question?

Answer 7

wedekind (1995)