Answer:The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
Explanation:
Answer:
d
Explanation:
bacteria can replicate themselves without help from a living cell.
On my work the answer was D ..
Yes the answer is true it is the start of the digestion process.+
Answer:
chromatin network or chromosomes
