The phosphorus deficiency in the blood serum is known as hypophosphatemia. It also leads to several bone diseases like the osteoporosis, when the balance of phosphate and calcium in the body gets lost.
If a person has low levels of phosphorus in their blood, phosphorus may be "stolen" from bones to make it available for cellular molecules.ATP, ADP, cyclic AMP, sugar-phosphate backbone of DNA polymer and RNA polymer are the molecules that require phosphorous as part of their structure.
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Pectinate muscles are found on the internal walls of the right and left atria. The correct option is C.
<h3>What are pectinate muscles?</h3>
Pectinate muscles are ridge-like muscle elevations. They are parallel to each other and resemble comb teeth. They can be seen clearly inside the right atrium.
Pectinate muscles are found on the internal walls of the right and left atria.
Thus, the correct option is C.
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