If all blood vessels in the human body were laid ...

★ Human Anatomy Quiz

If all blood vessels in the human body were laid end to end, they would encircle the Earth _____ time(s)

A. 1

B. 2

C. 3

D. 4

Select your answer:

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Which of the following correctly summarises the distinction between an organism’s genotype and their phenotype?

A. genotype refers to the alleles that an organism has inherited for a particular gene, while phenotype refers to all of an organism’s observable traits

B. genotype refers to any observable characteristics arising from an organism’s genome, while phenotype refers to the expression of traits based on the environment

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