I believe it is (A) all living things are made of cells
Answer:
D. provitamin.
Explanation:
A provitamin is a substance that the body can transform into an active vitamin through metabolic processes. If compared with vitamins, provitamins have no biological activity or are much lower. In other words, provitamins are vitamin precursors.
Although not very frequent, sometimes you can see the term previtamin used as a synonym.
For example, beta-carotene, the most abundant carotenoid in nature, has about one sixth of the biological activity of retinol, or vitamin A, but can be transformed into retinol in the liver by an enzymatic reaction.
a synthetic steroid hormone that resemble testosterones and promotes the growth of muscles
Correct answer choice is:
A. Measure your heart rate before, during, and after workouts.
Explanation:
Heart rate monitoring is an essential part particularly in cardiovascular fitness evaluation and exercise plans. Polar heart rate monitors have been produced to mark healthful people's heart rate and they target to encourage somebody training securely and efficiently.
Monitors can be wasted as a band over the chest, on the wrist and also on the head, and by regulating your heart rate can benefit your practice at the best intensity.
