The lungs and respiratory system allow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out. Respiration is the term for the exchange of oxygen from the environment for carbon dioxide from the body's cells.
C, the babies may be born with a drug dependency.
Stopwatch is most useful to monitor heart rate
Answer:
no
Explanation:
i explained this in questions, just claiming the points