Answer:
Explanation:the optic nerve is a cable -like grouping of nerve fibers it connect and transmits visual information from the eye to the brain. In human eye it receives light signal from about 125million photoreceptor cells referred to as rods and cones through 2 intermediate neuron types , bipolar and amacrine cells.
Answer: Option B,C, E and F
Explanation:
Action potential describe rise or fall of membrane potential of a particular cell location. This happen when neuron send impulses away from cell body. During action potential, one of the neural membrane opens so as to allow positively charged ions inside the cells and negatively charged ions to move outside the cell.
Answer:
becouse plants require require sunlight to make up their own food
animals can get food everywher
The nucleus contains molecules that direct cell activities. It is also known to contain the genetic information.