QUESTION: Fix punctuation: For example our brains and nerves transmit electrical signals to our muscles to cause them to use stored chemical energy to contract
ANS: For example, our brains and nerves transmit electrical signals to our muscles to cause them to use stored chemical energy to contract.

QUESTION: Fix punctuation: 18 And when they came again to him for he tarried at Jericho he said unto them Did I not say unto you Go not
ANS: 18 And when they came again to him, (for he tarried at Jericho ,) he said unto them, Did I not say unto you, Go not?

QUESTION: Fix punctuation: Cover the bottom of the brass locking mechanism down
ANS: Cover the bottom of the brass locking mechanism down.

QUESTION: Fix punctuation: If you must shower in hot water the showering time should be short and avoid hot tub bath
ANS:
If you must shower in hot water, the showering time should be short and avoid hot tub bath.