and Answers (2026) | Updated Comprehensive
Review with Detailed Rationales | A+ Verified
• Anatomy . Answer: Study of body structure
• Physiology . Answer: Study of body function
• Difference between anatomy and physiology . Answer: Structure vs function
• Complementarity principle . Answer: Structure determines function
• Matter . Answer: Anything that has mass and occupies space
• Atom . Answer: Smallest unit of matter
• Element . Answer: Pure substance made of one type of atom
• Atomic symbols . Answer: H C O N Ca Na K
• Atom structure . Answer: Protons neutrons electrons
• Proton . Answer: Positive charge in nucleus
• Neutron . Answer: No charge in nucleus
,• Electron . Answer: Negative charge outside nucleus
• Atomic number . Answer: Number of protons
• Atomic mass . Answer: Protons plus neutrons
• Ion . Answer: Charged atom
• Cation . Answer: Positive ion
• Anion . Answer: Negative ion
• Molecule . Answer: Two or more atoms bonded
• Compound . Answer: Two or more different elements bonded
• Organic compound . Answer: Contains carbon hydrogen bonds
• Inorganic compound . Answer: Does not contain carbon hydrogen bonds
• Solution . Answer: Mixture of solute and solvent
• Solvent . Answer: Dissolves substance
• Solute . Answer: Being dissolved substance
, • Chemical bond . Answer: Force holding atoms together
• Ionic bond . Answer: Electron transfer between atoms
• Covalent bond . Answer: Electron sharing
• Polar covalent bond . Answer: Unequal sharing of electrons
• Nonpolar covalent bond . Answer: Equal sharing of electrons
• Hydrogen bond . Answer: Weak attraction between molecules
• Acid . Answer: Releases hydrogen ions
• Base . Answer: Accepts hydrogen ions or releases hydroxide
• pH scale . Answer: Measures acidity from 0 to 14
• Homeostasis . Answer: Maintenance of stable internal environment
• Feedback loop . Answer: Process that regulates homeostasis
• Receptor . Answer: Detects stimulus change