The Cell<span> membrane </span>surrounds<span> all living </span>cells<span> and is the most important organelle, there is also a similar plasma membrane that </span>surrounds<span> all the organelles except for the ribosome. It is composed of phospholipids, proteins, and carbohydrates, which are arranged in a fluid mosaic structure.</span>
Answer: a star expels most of its outer material until only the hot core remains, which then settles down to become a young a white dwarf
Explanation:
Explanation:
1). coronary artery disease = damage to major arteries of the heart, treated by blood thinners, change of diet, exercise.
2). high blood pressure = force of blood against artery walls are too high. treatment is diet with less sodium, more exercise & diuretics,(rids body of excess fluids).
3). cardiac arrest (heart attack). unexpected loss of breathing, consciousness, heart function. treatment is antiarrithmic drugs, pacemaker, blood pressure support, change of diet.
