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lung
As light enters the eye, it passes through the cornea and the lens and is eventually focused onto the retina.
trachea
Blood passes through the bicuspid valve and enters the left ventricle.
throat, bronchies, lungs
inhale air which passes through the lungs then veins takes it to the heart and it takes it round the body
the carotid artery passes through the carotid canal to the brain
it first passes through the duodenum
objective lens system
When you breathe it in the oxygen runs around your body and passes through the walls into your blood stream
whatever is snorted passes through the nasal cavity, then proceeds to the lungs, like anything you inhale.
When a meteoroid enters the Earth's atmosphere, it is called a meteor. A meteor that passes through the atmosphere and strikes the ground is called a meteorite.