The Nervous System Flashcards
1
Q
What are your 5 sense organs?
A
EYES, EARS, NOSE, TONGUE AND SKIN
2
Q
Receptors are a group of cells which are sensitive to a stimulus. What do they change stimulus energy to?
A
ELECTRICAL IMPULSES
3
Q
What is a stimulus?
A
A CHANGE IN YOUR ENVIRONMENT WHICH YOU MAY NEED TO REACT TO.
4
Q
What does the central nervous system consist of?
A
BRAIN AND SPINAL CORD.
5
Q
What do neurones do?
A
TRANSMIT THE INFORMATION AS ELECTRICAL IMPULSES VERY QUICKLY TO AND FROM THE CNS.
6
Q
Light receptor cells have what?
A
A NUCLEUS, CYTOPLASM AND CELL MEMBRANE.
