Top answers

What are the stages of cell division?

Cell division occurs through a process called mitosis where a mother cell splits in two to form daughter cells identical to that of the mother. The stages of mitosis are prophase, metaphase, anaphase, teloph...
KL
Answered by Kishen L. • Biology tutor
3769 Views

What is eutrophication?

Eutrophication is a negative impact of the use of fertilisers on aquatic lifeforms. When nutrients from fertilisers (eg nitrate and phosphates) leach from farm fields into the water, this allows fast-growing...
PF
Answered by Phoebe F. • Biology tutor
4663 Views

Why is it difficult for a baby to get enough oxygen to their tissues when there is a hole between the left and right ventricles?

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. If t...
RA
Answered by Rachel A. • Biology tutor
3214 Views

Explain the difference between tidal volume and total vital capacity. Under what circumstances would each occur?

Tidal volume is the normal volume of air inhaled in one breath at rest. Total vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation. This usually occurs whe...
JB
Answered by Jemma B. • Biology tutor
25099 Views

Why is the human circulatory system a double system?

The human circulatory system consists of the heart - a pump and a series of tubes - the blood vessels containing the blood. There is an atrium and a ventricle on each side of the heart and the two sides can ...
YZ
Answered by Yuhui Z. • Biology tutor
5016 Views