Flashcards in Topic 7 - Animal Coordination, Control and Homeostasis COMPLETE PK Deck (168)
Which cells in the nervous system detect changes?
Sense organs contain receptors cells. Give one example of a sense organ.
e.g. eye, ear, nose, tongue, skin
Which parts of the body cause the response to a stimulus?
Give an example of an effector.
one of: muscle, gland
In what form is information transmitted in the nervous system?
How are soluble chemical substances (e.g. digested food molecules) carried around the body?
in the blood/plasma
Name one hormone produced in the male reproductive system.
Name one hormone produced by ovaries.
one of: oestrogen, progesterone
Which general name is given to an organ that responds to a hormone?
What effect do hormones have on organs that respond to them?
change how the organ is working
What is the name for a gland that produces a hormone?
Name the organ that produces oestrogen.
Name the organ at the base of the brain that produces many hormones.
What is the name for an organ that is affected by a hormone?
Name an organ that is affected by growth hormone.
How do hormones travel around the body?
in the blood
Which hormone brings about changes in a boy’s body during puberty?
Higher and Triple only- Where is adrenalin made?
Higher and Triple only- Describe one effect of adrenalin on the body.
any suitable effect, such as: increases heart rate, increases breathing rate, increases blood pressure, increases blood sugar concentration, dilates pupils
Higher and Triple only- What is the role of thyroxine in the body?
to control metabolic rate
What name is given to a substance produced in the body that changes how its target organs work?
Name the endocrine gland that produces testosterone.
How does testosterone get from where it is made to its target organs?
Name the hormone that produces changes in girls as they become women.
Higher and Triple only- In which gland is thyroxine produced?
Higher and Triple only- What is the function of thyroxine in the body?
controls metabolic rate
Higher and Triple only-Which hormone controls the fight or flight response?
Higher and Triple only- Which term describes when a change in a system causes the opposite change, returning the system to a normal level?
What name is given to the cycle of changes in a woman’s reproductive system that happens every month?