Select the correct answer.
which of these statements is correct with respect to osteoclasts?
o a. these cells cause cartilage to build up, thus to produce new cartilaginous bone.
ob. these cells cause the reabsorption of bone, thus to regenerate bone.
oc. these cells cause bones to build up, thus in the production of new bone.
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Osteoclast causes the resorption of bone thus helping the bone to regenerate.

Explanation:

The osteolcast perform the crucial function of maintenance and repair of vertebral bones. They ate found in pits in bone surfaces. Osteoclast secretes acid and collagenase which facilitates bone resorption.

The initial process is the breakdown of mineralized bone into fragments. These fragments are engulfed by the osteoplast and the fragments are digested in the cytoplasmic vacoules.

The breakdown of  mineralized bone releases calcium and phosphorous into the blood stream.  Unmineralised bone is called osteoid and it doesn’t undergo resorption.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?