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?
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.

Which image shows labeled organelles that are present only in plant cells?

Which of the following accurately describes the correct order of events in the process of transpiration within a plant? a. water enters the roots, passes through the leaves, and leaks through the stem pores. b. water enters the roots, gets transported through the stem, and evaporates through the leaves. c. water is absorbed through the leaves, is transported through the stem, and nourishes the roots. d. water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.

Besides regulating what enters and leaves the cell, what is another function of your choice from question #1?