Answer:
Walking to class or up a flight of stairs would be examples of physical activity, as even though they might not seem like much they still fit under the most basic definition of physical activity which is any bodily movement that is produced by skeletal muscles that have a requirement of an expenditure of energy.
Explanation:
Answer:
Option-A
Explanation:
Vitamin D is an essential nutrient required by the body to maintain its structure as vitamin D helps in the absorption of the calcium and phosphorus which are required in maintaining the bones.
The biosynthesis of vitamin D begins in the skin when the cholesterol, a precursor of the vitamin D gets activated by the Ultraviolet B of the sunlight. When the UV B touch the skin, they convert the precursor to vitamin D3. The vitamin D3 gets transported to the kidney and liver where the enzymatic action converts the vitamin D3 to the active form of vitamin called calcitriol.
Thus, Option-A is the correct answer.
Answer: To Create Attention and Tension or Try To Seem Tough Usually When Partaking In Ego Boosting And Or Bad Attitudes Gangsters Usually Do So For Initiation And "Group Development" Which Leads To A Worldwide Emotions In Peoples Lives.
Explanation: Ok sam.
