Inadequate dietary vitamin D or its deficiency leads to malabsorption of calcium. Nutritional disorder leads to the rare disease rickets, which causes bones to become soft and bend in children. In adults, vitamin D deficiency leads to osteomalacia, which causes weak bones, bone pain and muscle weakness.
The body needs vitamin D to properly absorb calcium and phosphorus from the diet. However, keeping the right quantities of calcium and phosphorus in bones is challenging when vitamin D levels are low.
The two sources of vitamin D are-
- Natural sunlight
- Foods such as fish oil, Egg yolk and fatty fishes like salmon and mackerel
There are other disease conditions which lead to poor absorption of vitamin D-
- Inflammatory bowel disease
- Celiac diseases
- Kidney problems
To learn more about Rickets here-
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Complete question:
You will find the complete question and answer in the attached files
Answer:
a) LL- <em> Long nose</em>
b) yy- <em>Blue body</em>
(c) Ss- <em>Squarepants body</em>
(d) RR- <em>Round eyes</em>
(e) Rr- <em>Round eyes</em>
(f) ll- <em>Stubby nose</em>
(g) ss- <em>Roundpants body</em>
(h) Yy- <em>Yellow body</em>
Explanation:
You will find the complete answer and explanation in the attached files due to technical problems.
George is lifting weights. He starts by doing biceps curls
which involves flexing his
elbows. His elbow is able to bend
because the humero-ulnar joint is a hinge
joint. Sam is doing leg presses, extending his knees as he pushes
against the weights. Meanwhile, Jane is doing "lat pulls" by pulling
downward on a weighted bar. This movement involves adduction of her arms.
Her shoulder joint is a ball-and-socket joint, allowing
a wide range of movements.
