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The main difference between the two types of cell is that prokaryotic cells have no (membrane-bound) organelles. This means that the processes that usually happen in organelles take place in the cytoplasm...

_{A synapse is a junction between neurones. Description of a synapse being a small gap between two neurones.} 

_{Synapses use chemical messengers to pass an impulse of electrical depolar...}

Mitosis creates 'normal' body cells, while meiosis creates sex cells, like sperm and eggs. After mitosis, there are two daughter cells. After meiosis there are 4. The daughter cells from mitosis have a th...

1. thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist

Motor neurone - carry info from the central nervous system to the effector cells

Sensory neurones - carry info from sensory receptors to the CNS

relay neurones - carry signals from one part ...