Responding to Change Flashcards
1
Q
what does coordinated mean?
A
the body is able to make things happen in different parts of the body at the right time
2
Q
what are the two organ systems which do this?
A
- the nervous system
- the endocrine (hormone) system
3
Q
what is phototropism?
A
plants being able to respond to the direction of light and grow towards it
4
Q
what are the three things that a coordinated response requires?
A
- a stimulus
- a receptor
- an effector
5
Q
what does the stimulus do?
A
change in the animal’s surroundings e.g. a ball is thrown towards you
6
Q
what does receptors do?
A
the organ which detects the change e.g. your eye
7
Q
what does the effector do?
A
muscles are the effectors and they contract as you catch the ball
8
Q
what is the link between the stimulus and response?
A
the nervous or endocrine system
