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You can use props like the classroom for the animal cell.

The teacher as the nucleus because a good teacher should be able to control the class like the nucleus controls the cell and what goes on in it.

Cytoplasm as the students. The students do the work in the classroom and that what the cytoplasm does. Chemical reactions happen in the cytoplasm so you can compare children working and work goes on in the cytoplasm.

Cell membrane is like the door of the classroom it controls what goes in and out of the class. The cell membrane controls what goes in and out of the cell

Biology

How do you remember cell organelles and their functions?

Anaerobic respiration. Respiration is that glucose is broken down to release energy but doing this anaerobically means it does it without the use of oxygen. Which means glucose does not get broken down fully. This means it gets converted into lactic acid and some energy is released

Name the process that makes lactic acid in the athlete’s muscles

Another term for genetic variation is discontinuous variation.

Another term for environment variation is continuous variation 

What is variation in biology?

Is the process where plants or other photosynthetic organisms make their own food by using light energy.

What is photosynthesis?

Fats need to be broken down into fatty acids and glycerol before entering the bloodstream. 
Fats are large insoluble molecule and therefore would not be able to pass through the membrane of the gut (where you have the lacteal which inside the villi) neither the bloodstream. Remember the capillaries themselves are one cell thick. Large molecules can not pass into bloodstream. They must be digested. 

Consequences would be serious because that would mean without fats reaching the cells in your body it wouldn’t therefore be able to provide the body energy and insulation. Fats are needed in the body to keep you warm. 

Same with carbohydrates and protein.

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