Answer:
(3) results in the production of more ATP in muscle cells
Explanation:
When exercising, Oxygen is introduced to the muscle cells via the Red Blood Cells. Hemoglobin which is carried by the Red Blood Cells binds with these oxygen to to supply the muscle cells with oxyenated blood. Thus, as blood flows into the muscle cell during exercise, there is increase in the rate at which oxygen is carried to the muscle cells.
On the otherhand, Carbondioxide is not carried to the muscles cells but it is diffused out of the bloodstream as bicarbonate ion (HCO⁻₃).
The change in heart rate that occurs between 1 and 5 minutes of exercise is an adaptation that: results in the production of more ATP in muscle cells. Thi s is becuase, Adenosine triphosphate (ATP) is a compound with high potential energy. The synthesize ATP molecules in the muscle cells is gotten from complex molecules such as carbohydrate, proteins and fats. So during exercise, there are more production of more ATP in the muscle cells to assist in the degradation of carbohydrate, proteins and fats that give rise to pyruvate, amino acids and fatty acids respectively.
The label of a vitamin supplement must state the existence of a tolerated upper intake level (UL) if one has been developed. The assertion is true.
Is it mandatory to give a tolerable upper intake level(UL) of vitamins?
- Tolerable upper intake level(UL) is the highest amount of a nutrient that is chronically consumed each day (from all sources) and is deemed unlikely to have a negative impact on human health.
- In this sense, "tolerable intake" refers to what is physiologically safe. It is a scientific evaluation based on risk assessment, i.e., the likelihood that an unfavorable impact would manifest at a certain amount of exposure.
- For different demographic life stage groupings, ULs may be generated. It is not advisable to consume more than the UL. It is a projection of the maximal consumption amount with a negligible chance of adverse health consequences.
- A risk assessment is necessary to ascertain the percentage of the population (if any) whose consumption exceeds the UL as well as the extent and frequency of the high consumption in order to evaluate if an affected community is in danger.
Therefore it is concluded that the questioned statement is true.
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