Answer:
The body requires sun to make vitamin D (option b)
Explanation:
Vitamin D is a nutrient belonging to the liposoluble vitamins —together with vitamins A, E and K— that participates mainly in the metabolism and homeostasis of calcium and phosphorus, among other functions.
<em><u>Dehydrocholesterol</u></em><em><u> is the chemical compound from which </u></em><em><u>vitamin D₃</u></em><em><u> —cholecalciferol— is synthesized, which occurs in the skin thanks to the effect of </u></em><em><u>sunlight</u></em><em><u>.
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Cholecalciferol is inactive, and as it passes through the liver and kidney it is transformed into its active equivalents, calcidiol and calcitriol, respectively.
The answer for that question is b
Answer:
The lumbar vertebrae only allow flexion and extension movements.
Explanation:
The lumbar vertebrae only allow flexion and extension movements but has limited rotational movement. It is present on the third region of vertebral column. This lumbar vertebrae is present in the lower of the back between the thoracic and sacral vertebral segments. Lumbar vertebrae is made up of 5 bones or vertebrae. The main function of this vertebrae is to bear body weight of the upper part.
ACTIN & MYOSIN are that proteins
Answer:
A religion
Explanation:
Many times a saintanist will do death ritual for their religion.
