Coordination And Homeostasis In Humans Flashcards
(7 cards)
1
Q
Receptor
A
- detect stimuli
2
Q
Effector
A
Bring about a response to a stimulus
3
Q
Nervous system
A
- very fast message
- act for short time
- precise area affected
- communication by nerve
impulses
-transmission by neurones
4
Q
Hormones
A
- slower message/transmission
- act for long time
- more general area affected (response wide spread)
- chemical communication
- transmission in blood - only target organs respond
5
Q
Definition of homeostasis
A
Maintenance of a constant internal environment
6
Q
Where is water lost
A
Through the skin as sweat
Via the lungs in breath
Via the kidneys as urine
7
Q
Urine concentration on hot day
A
When exercising sweat a lot
Produce less urine, but will be more concentrated (darker colour)
Also lose more water through your breath - breathe faster in exercise)
