CPR, or cardiopulmonary resuscitation, is a first-aid technique to help save lives. It involves compressions of the patient’s ch
est cavity. Which description is the best description of the functions of chest compressions in CPR? 1)Chest compressions are done to pump the heart.
2)Chest compressions are done to strengthen the rib bones.
3)Chest compressions increase carbon dioxide inhalation.
4)Chest compressions allow the patient's muscles to wake up.
An inversion occurs when a chromosome breaks in two places; the resulting piece of DNA is reversed and re-inserted into the chromosome. Genetic material may or may not be lost as a result of the chromosome breaks.
The birds with the beaks most suited towards digging and grasping. If they find their food deep underground, the beak would need to be able to push through the dirt and be able to keep the worm in it for consumption.