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Vision and Light Genes and Cells Biochemistry Lab Effect of Exercise on Cardio Respiratory System & Muscular Intravenous Fluid Therapy Cardiovascular System Nutrition and Human Digestive System Parts of the Body The Blood Public Health and Genetic Disease Selective Breeding Components of Blood T Cells Multicellular Organisms: Organisation The Human Eye

Other quiz:

Nervous & Endocrine Systems › View

Which statement best describes the chemical substances secreted by endocrine glands?

A. They are transmitted by neurons.

B. They are secreted into cells.

C. They are carried by the blood.

D. They are found only in vertebrates.

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Types of Nutrients › View

Our body prepares which type of Vitamin in the presence of sunlight?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

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