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Describe the process of aerobic respiration.

Respiration is the process by which cells make energy. Aerobic respiration uses oxygen to make energy. Respiration involves a series of reactions. The overall equation for the reaction is:Oxygen + Glucose —&...
MH
Answered by Madlen H. • Biology tutor
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Describe the process of evolution by natural selection as developed by Charles Darwin in the 1800s.

Evolution by natural selection occurs when random mutations in the genome of an organism causes phenotypic traits (observable characteristics or traits) to be different between individuals of an organism. Th...
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Answered by Jack W. • Biology tutor
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Describe and explain the role of inspiratory and expiratory muscles during normal breathing

The main muscle of normal quiet breathing is the diaphragmDuring Inspiration, it contracts which causes it to flatten. This increases the volume of the thoracic cavity and so the pressure decreases. This all...
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Answered by Symran D. • Biology tutor
3002 Views

Describe how oxygen moves into the blood at the lungs.

Oxygen moves via diffusion from the alveoli in the lungs where there is a high concentration of oxygen, into the blood where there is a low concentration of oxygen - it moves down its concentration gradient.
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Answered by Isobel S. • Biology tutor
7806 Views

What should I do to get full marks in the essay section?

The essay section is split into 3 individual questions. These 3 questions will be worth 20 points altogether, out of which 2 points will be awarded for the quality of your writing, i.e. hand-writing, grammar...
LP
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