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Parts of the Body Autism Awareness My Teeth Musculoskeletal Anatomy: Knee Enzyme World Health Day ology & phobia Cellular and Sexual Reproduction Bacteria Structure Immunology Economic importance of Bacteria Biology Protein and Amino Acid Metabolism Human Anatomy Study Guide Genetics and Censorship

Other quiz:

Respiration in Organisms › View

What are the similarities and differences between respiration in plants and animals?

A. Both use oxygen and produce carbon dioxide, but plants also undergo photosynthesis to produce their own food.

B. Plants and animals both use nitrogen for respiration.

C. Plants and animals both use photosynthesis to produce their own food.

D. Plants use carbon dioxide and produce oxygen, while animals use oxygen and produce carbon dioxide.

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Teeth & Microbes › View

By the time a child is 3 years old, he or she should have _______ teeth

A. 32

B. 16

C. 20

D. 22

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