A22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. his blood pressure is initially 80/40 mm hg. after 2 liters of crystalloid solution his blood pressure increases to 122/84 mm hg. his heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. his breath sounds are decreased in the left hemithorax, and after initial iv fluid resuscitation, a closed tube thoracostomy is performed for decreased left breath sounds with the return of a small amount of blood and no air leak. after chest tube insertion, the most appropriate next step is

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Does mitochondria still meet the definition of a eukaryote why or why not?

What are the two main phases of a cell cycle