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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 ...

Answered by Sally W. Biology tutor
10859 Views

a.) What is homeostasis? b.) Name three ways the body achieves this and why it is important

a.) Homeostasis is the means by which the body maintains a constant internal environment. b.) - Temperature needs to be maintained at 37.5 degrees C in order for the body's enzymes to function correctly. ...

Answered by Alice F. Biology tutor
4746 Views

Describe the events that occur in a nerve cell during an action potential.

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action poten...

Answered by Christopher H. Biology tutor
6230 Views

Name three cell structures that are present in a plant cell but absent from an animal cell.

Plant cells have a cell wall for additional strength and protection. Plant cells also have a large vacuole filled with cell sap to increase the cellular turgor. Finally, plant cells have chloroplasts fill...

Answered by Gabriella L. Biology tutor
18007 Views

What gases will be taken in and given out by a green plant (a) in darkness, (b) in bright sunlight?

(a) In low light intensities a green plant will be taking in oxygen and giving out carbon dioxide. (b) In bright sunlight a green plant will be taking in carbon dioxide and giving out oxygen.

Answered by Sonali P. Biology tutor
14467 Views

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