The uptake of carbon dioxide and the release of oxygen is essential for a plant to survive. where and how does this gas exchange generally occur? a. in all plant organs, as a result of cellular respiration b. in the stems, to provide energy for lifting water c. in the roots, to allow mineral absorption d. in the leaves, as a result of photosynthesis

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.