SFSU BIOL 212 FINAL EXAM | ACTUAL EXAM | 100 QUESTIONS WITH VERIFIED DETAILED ANSWERS | ALREADY GRADED A+ Smallest structural level - --ANSWER --Chemical 2nd structural level - --ANSWER --cellular 3rd structural level - --ANSWER --tissue 4th structural level - --ANSWER --organ 5th structural level - --ANSWER --Organ systems Negative feedback loop - --ANSWER --acts to minimize change and response is to oppose or negate action of original stimulus Positive feedback loop - --ANSWER --response exaggerates or enhances original change Midsagittal Plane - --ANSWER --divides the body or organ into right and left halvesCoronal plane - --ANSWER --Divides the body into anterior and posterior parts Transverse Plane - --ANSWER --divides the body into superior and inferior parts Parietal pleura - --ANSWER --Lines the thoracic cavity Visceral pleura - --ANSWER --Covers the lungs Parietal pericardium - --ANSWER --Lines the pericardial cavity Visceral pericardium - --ANSWER --Covers the heart Parietal peritoneum - --ANSWER --Lines the abdominal cavity Visceral peritoneum - --ANSWER --Covers the abdominal organs Protons - --ANSWER --positive electrical charge Neutrons - --ANSWER --neutral charge Electrons - --ANSWER --negative chargeAtomic number - --ANSWER --number of protons Mass number - --ANSWER --protons plus neutrons Element - --ANSWER --cannot be broken down