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Alleles are different forms of a gene. For example, given the gene for eye colour there would be many different colours available. People with brown eyes would have the allele of the eye colour gene co...

First of all, the IMPULSE IS DECTECTED by receptors.SENSORY neurone passes impulse onto RELAY NEURONE in SPINAL CORD.RELAY neurone passes impulse onto MOTOR neuroneMOTOR neurone passes impulse to EFFECTOR...

It is important to remember that the myelin sheath is essential for our nervous system.It forms a layers of fatty material around the axon. This allows INSULATION, which, in turn, allows quicker conductio...

Circular muscles -  reduce the diameter of the gut when they contract

Longitudinal muscles - which reduce the length of the gut when they contract

The muscles work together ...

The answer is the colon (large intestine)

 The Duodenum is where food is mixed with digestive enzymes and bile. In the ileum, digested food is absorbed into the blood and lymph. Therefore...