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What is a Neurones resting membrane potential and how is it maintained?

On average neurones in the body have a resting membrane potential (RMP) of -70mv. What this means is when inactive/ not excited, the inside of neurone is more negative than the outside of the neurone this is...
IA
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What is X-linked recessive inheritance?

Genetic diseases with an X-linked recessive inheritance pattern usually affect only the males in a family. These diseases are inherited via mutations on the X chromosome. Females have two X chromosomes and t...
TD
6723 Views

When blood enters an arteriole, fluid leaks out into the tissues. Explain how most of the fluid is returned to the arteriole.

Blood in an arteriole is under high pressure at the start of the vessel, called hydrostatic pressure, and fluid can leak through its permeable membrane into the surrounding tissues. This leaves blood cells i...
HS
7338 Views

What is a synapse and what role do neurotransmitters play?

Firstly, you need to understand where a synapse is and the structure of a neuron (a basic diagram of a neuron could be useful). The brain is made up of a type of cell called a neuron and there are thought to...
ER
13524 Views

What is the role of a vitamin in the body?

A vitamin is a nutrient or dietary component made up by an organic molecule and required by the body in very small amounts. It acts as a co-enzyme to prevent a deficiency disease.
NP
4300 Views