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what are the risk factors for coronary heart disease and what is it?

Coronary heart disease involves the arteries supplying the heart, known as the coronary arteries. There are two arteries namely the left and right coronary arteries. Healthy coronary arteries are nice and...

Answered by Benesh Bismah S. • Biology tutor

2582 Views

What does 'place' mean in geography?

When we think of places in geography, there are different ways of describing places because of the different ideas that have arisen when trying to define places. Three key ways of describing a place are <...

Answered by Tom W. • Geography tutor

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Describe how the structure of the renal corpuscle facilitates ultrafiltration.

In the human body, ultrafiltration is the non-specific filtration of blood at a molecular level under high pressure. Renal corpuscles are the starting point of nephrons (the functional units of the kidney...

Answered by David N. • Biology tutor

16254 Views

What is 64^(2/3)?

When the index of a number is a fraction such as 2/3, first take the cubic root, then square the number. For example:
64^1/3= cube root of 64(64^1/3)² = 64^2/3

Answered by James T. • Maths tutor

6050 Views

What is the difference between oxidation and reduction?

Oxidation and reduction are considered opposites in terms of electrons moving. Oxidation occurs when an electron is lost, while reduction occurs when an electron is gained. It is often seen with oxygen be...

Answered by Luke P. • Chemistry tutor

2189 Views