About 37.2 trillion cells present in the body of an adult human.
The answer to your question is t<span>he signal travels through the nerve of the hand to the spinal cord and then to the brain.
Hoped I Helped!</span>
This is refered to as the chemical symbol. It is derived from the Latin name for the element which is why some elements like potassium (K) and sodium (N) have symbols different from their name on the periodic table.
Answer:
the answer is a. any ciliated cell in lungs catches bacteria & debris from lungs causing cough, difficulty breathing, etc.
can develop into asthma, infection of pleura, and bronchitis...