Answer:
the rate of which your heart should be beating to attain or persue a goal such as exercise to loose weight.
The best answer would be B) because the questions says health related, so yeah A) is sweet and all but that's not involved with health that's involved with genetic disorders, so no, not C) because that's not health related, just construction, not D) because its not health related.
A lack of Vitamin C may lead to scurvy
