the pupil of the eye
the eyes
no
the ribs does not grow only your arms and legs
As people age, various parts of the body can be affected, but common areas of concern include joints such as knees and hips due to wear and tear, cognitive function which may decline with age, and eyesight which can deteriorate leading to conditions like cataracts or macular degeneration. Staying active, maintaining a healthy diet, and regular check-ups can help address these issues.
None.
His nose.
The pupils of the eye dilate up to 10 times their normal size when a person is excited or in low light conditions. This allows more light to enter the eye and improves vision in dimly lit environments.
it does that one thing
Blood
There is no such organ in human body.
Generally, they become an amputee. A few invertebrates can grow back a body part.
Actually, your heart does grow. Your eyes are the only part of your body not to grow. The cells may be replaced or updated, but your eyes never grow.