Question

why are magnetic keepers used to store magnets
define cartilage

Answer 1

Answer:

Magnetic keepers are soft iron bars placed at either end of the pair of magnets. It is used to avoid self-demagnetisation of magnets.

Cartilage a strong and smooth substance made up of “chondrocytes,” or specialized cartilage cells, that produce a matrix of collagen, proteoglycans (a special type of protein) and other non-collagenous proteins. These materials help cartilage attract water and give it its shape and specific properties.