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Question:

Oxygen is exchanged between blood and tissues at which of the following areas?

A Capillaries.
explanation

Capillaries are very small blood vessels found where veins and arteries meet. They are the site of material exchange.

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Comments

Anacaona Shipping

1 year ago

The best one

Michele Mamula

1 year ago

I would like an add free version, otherwise the app is wonderful so far

Schuyler Joel

1 year ago

Awesome

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