Cartilage is part of the system, which is related to the respiratory system, as we find cartilage in the of the respiratory system.

The first one is the Skeletal System I believe. My best guesss for that second one is the nose, because we inhale though it.

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers