George is running a 5-km race and his cells need more oxygen. which change will his body meet the increased demand for oxygen?
a. his heart beating more quickly.
b. his breathing becoming more shallow.
c. his pancreas releasing more insulin..
d. his sweat glands becoming more active

true

explanation:

a genogram (also known as a mcgoldrick-gerson study, a lapidus schematic or a family diagram) is a pictorial display of a person's family relationships and medical history. it goes beyond a traditional family tree by allowing the user to visualize hereditary patterns and psychological factors that punctuate relationships.

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