EXAM QUESTIONS BANK / COMPLETE
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ANSWERS / 2025
Practice questions for this set
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10 times higher outside the cell - major extracellular cation
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1 PH 2 cell cycle
Na+ Sodium 4 Cytokinesis
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Terms in this set (151)
Anatomy the study of structure
Physiology the study of function
Metabolism all the chemical reactions that happen in our body cells
, Catabolism the breakdown of complex molecules into simpler ones.
Catabolic reaction
Anabolism The building up of complex molecules from simpler ones
Levels of Structural Atom (chemical), Molecule (chemical), Cell tissue,
Organization Organ, Organ System, Organism
Homeostasis The maintenance of the internal environment regardless of
external conditions
Negative feedback Most feedback mechanisms are this type - regulating body
mechanism temperature, blood pressure, blood glucose
Cranial Cavity Brain and spinal cord
vertebral cavity spinal cord
thoracic cavity heart and lungs
abdominopelvic cavity stoach digestive organs
parietal membrane lines cavity wall
visceral membrane lines the organs surface
ATP a form of energy used by all reactions in cells. Made in the
mitochondria
4 elements that make up Oxygen, hydrogen, carbon and nitrogen
96% of the human body
atomic number number of protons. Always the same as the number of electrons
Atomic mass decimal number - number of protons and neutrons
together - if you subtract the protons you get the
number of neutrons
ionic bonds the transfer of one or more electrons
anion negative charge - gains one electron
cation positive charge - loses one electron