Top answers

Describe ways in which a healthy artery differs from an artery affected by coronary heart disease

A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coronar...
AS
Answered by Aleksi S. • Biology tutor
22024 Views

How can I improve the structure of my essay?

Often one of the most difficult aspects of writing a good essay is nailing its structure. It’s very easy to have great points laid out in a way that’s confusing and hard to pin down – and a well-structured e...
TB
4093 Views

Expand: (x+3)(2x+4)

2x 2 +4x+6x+12=2x 2 +10x+12
TK
Answered by Tristan K. • Maths tutor
3457 Views

What is a method that you can use for balancing equations?

Below is 2 examples of questions that you could be asked. During the session, I will run through on the whiteboard, a good method of completing this style of question. _GaF 3 + _Na 3 PO 4 -----> _GaPO 4 +...
AB
Answered by Adit B. • Chemistry tutor
2556 Views

How do white blood cells differ from red blood cells?

Red blood cells have a biconcave shape and an absence of a nucleus in order to increase the area for which it can carry oxygen around the body and remove carbon dioxide from the body. Red blood cells contain...
IW
Answered by India W. • Biology tutor
8692 Views