Top answers


What are neurones?

Neurones are the specialised cells that make up the nervous system. Bundles of neurones are known as nerves. Neurones carry electrical impulses around the entire body.
SL
Answered by Suzi L. • Biology tutor
3355 Views

Describe the two components of the nervous system.

The nervous system is made up of two parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is made up of the brain and the spinal cord. The PNS is made up of sensory and mo...
SL
Answered by Suzi L. • Biology tutor
6770 Views

How does a high cholesterol diet increase the risk of coronary heart disease?

High cholesterol diets lead to high cholesterol levels in the blood. Low density lipoproteins, known as LDLs or BAD-cholesterol, build up in the artery walls. They form solid plaques which narrow the artery....
ET
Answered by Emily T. • Biology tutor
4389 Views

What is the function of the cell nucleus?

The nucleus contains genetic material which controls the activities of a cell
LC
Answered by Lydia C. • Biology tutor
5736 Views

How does a vaccine work?

A vaccine contains a dead or inactive (an therefore harmless) form of a pathogen. By injecting this into the body, an immune response is triggered and white blood cells produce antibodies specific to the ant...
TP
Answered by Tianna P. • Biology tutor
5943 Views