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Other quiz:

Cell Theory and Cell Organelles › View

This organelle is a rigid outer layer that protects plant cells.

A. Cell Membrane

B. Cell Wall

C. Nucleus

D. Chloroplast 

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Circulatory and Lymphatic System › View

The reason we always bleed when we are cut is because:

A. Our arteries are right under our skin

B. Even if the cut didn’t hit a vein, blood will need to come towards it in order to clot the cut closed

C. We have capillaries all over our body

D. The cut just happens to cut a vein every time

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