Top answers

How does blood flow through the heart?

The heart is the muscle responsible for pumping blood around the body. It has four chambers: an atrium and ventricle on the left, and an atrium and ventricle on the right. Atrioventricular and semilunar valv...
MB
Answered by Moriom B. • Biology tutor
12149 Views

How is the lung adapted for gas exchange?

Large surface area: Branches off, starting with bronchioles until microscopic in size with air filled sacs called alveoli. The alveoli also have massive capiliary networks surrounding them so there is a big ...
MK
Answered by Miss K. • Biology tutor
3708 Views

What is the difference between mitosis and meiosis?

The main difference is that meiosis halves the number of chromosomes (2n-->n) whereas mitosis does not. (2n-->2n) Mitosis is simply the division of the nucleus, creating to genetically identical daught...
MF
Answered by Mara F. • Biology tutor
10812 Views

What is glycolysis?

Glycolysis is the process by which cells create ATP from glucose. It occurs in all cells. Glycolysis is an anaerobic process, which, means it may occur even without oxygen. Glucose is converted to 2 molecule...
VT
Answered by Vittoria T. • Biology tutor
7756 Views

Give advantages and disadvantages of treating patients with an artificial heart.

advantages: it's useful where no other treatment is available or when the patient's near to death it extends a lifespan disadvantages: there's a low success rate the device has limited lifespan or battery wi...
SW
Answered by Sally W. • Biology tutor
12603 Views