Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.

(i) Name the parts numbered 1-7

(ii) Name the phenomenon that the diagram depicts and define it.

(iii) Give the technical term for the point of contact between two nerve cells.

(iv) Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.

The basic structural and functional unit of brain is:

1. Cyton
2. Nephron
3. Axon
4. Neuron

The number of cranial and spinal nerves in a human being are respectively :

1. 31, 12 pairs
2. 32, 21 pairs
3. 12, 31 pairs
4. 31, 21 pairs

Which part of the brain controls the posture of our body?

1. Cerebrum
2. Medulla oblongata
3. Cerebellum
4. Pons