Nervous system - Class V

SCIENCE
Nervous system
Class V
International Board
IGCSE

1. NERVOUS SYSTEM CLASS V D

2. Brain Nerves Spinal Cord

3. OUR BRAIN

4. Brain controls the movement of our body and its various parts.

5. LEARN Brain enables us to learn, think, memorise and apply logic. THINK MEMORISE

6. Brain keeps our heart and lungs working.

7. OUR BRAIN CEREBRUM CEREBELLUM BRAIN STEM

8. CEREBRUM Right Cerebral Hemisphere Left Cerebral Hemisphere

9. FUCTION OF CEREBRUM

10. FUCTION OF CEREBRUM

11. CEREBELLUM Cerebellum It is located at the back of the brain, below the cerebrum.

12. Cerebellum helps us to stand upright.

13. BRAIN STEM Brain Stem Brain stem lies beneath the Cerebellum. It is also known as the MEDULLA

14. Brain stem connects the rest of the brain with the spinal cord.

15. Do you know? The front of your brain is larger than any other animal’s brain even that of a dinosaur!

16. Spine

17. SPINAL CORD

18. Nerves are the pathways through which messages are transferred.

19. SENSORY NERVES Sensory nerves bring messages from the sense organs to the brain.

20. When a mosquito bites your figure, a message is sent to the brain by the sensory nerve.

21. MOTOR NERVES Motor nerves carry messages from the brain to the other parts of the body.

22. When a mosquito bites our figure, the motor nerve sends the message back from the brain to shoo away the mosquito.

23. MIXED NERVES Mixed nerves carry messages to and from the brain.

24. Label the parts of the brain correctly CEREBRUM CEREBELLUM BRAIN STEM

25. VOLUNTARY ACTION Jumping Ironing clothes

26. Pumping of heart Blinking of eyes Yawning INVOLUNTARY ACTION

27. Reflex actions A reflex action is an involuntary action.

28. When a mobile phone vibrates, which of the following nerves sends the message to the brain that someone is calling? Sensory Nerves Motor Nerves Mixed Nerves

29. RECAP Organs Nerves Spinal Cord Brain Message