1 and 2 because its nature
Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
A CBRNE incident is one where chemical, biological, radiation and nuclear hazards are present. Thus, you should:
Practice protective measures of time, distance and shielding
Do not enter zone until agent is identified
Answer:
Most Living organisms breathe in oxygen and breathe out carbon dioxide so looking at the phrasing it appears to be false.
Explanation: