Select your answer:

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Circulatory & Respiratory System › ViewHelp clot the blood to keep you from bleeding to death when you are injured. They are cell fragments.
A. plasma
B. red blood cells
C. white blood cells
D. platelets
BTEC Biological Approach Revise › View
SRY gene is found on the
A. X chromosome
B. Y chromosome
C. Both chromosomes
D. don’t know