The correct words in each sentence are as follows:
1. Hearing aids allow partially deaf people to hear.
2. Did you know that cows have four separate stomachs?
3. The brain controls everything in the body.
4. My uncle lost his arm in a car crash.
5. Is it true that Mr. Lynch has an artificial eye?
These words have been chosen to provide accurate and precise meanings in the context of each sentence. By using the correct words, the sentences become clear and convey the intended message effectively.
