★ Circulatory System Quiz
What is the purpose of blood circulatory system in vertebrates?
A. digest nutrients
B. transmit sensations
C. transport essential substances and waste products
D. produce carbohydrates
Select your answer:

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Diseases Communicable or non Communicable › ViewThis type of disease can be genetic, not infectious, and can have relapses.
A. communicable
B. non-communicable
Biochemistry › View
Which of the following is NOT a component (part) of a nucleotide?
A. Pentose sugar
B. Phosphate group
C. Base (nitrogen molecule)
D. Amino group