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CVA Vitamins Blood Groups Economic importance of Bacteria Diseases of The Nervous System Anatomical Terminology Medical Nursing Erythrocyte Disorders Human Eye and Colourful World Food and Health & Bones and Muscles Types of Nutrients Vision Cancer & Cell Cycle Major Nutrients Food MicrobiologyOther quiz:
Human Body Systems › ViewLargest organ of the body; it includes the skin, glands, hair and nails
A. Endocrine system
B. Reproductive system
C. Skeletal system
D. Integumentary system
Enzyme › View
What is the purpose of an enzyme?
A. give permission for the reaction
B. raise activation energy
C. speed up reactions
D. control how many reactions occur