VERIFIED CORRECT ANSWERS
Anatomy - Correct Answer the study of structure
Physiology - Correct Answer the study of function
Metabolism - Correct Answer all the chemical reactions that happen in our body cells
Catabolism - Correct Answer the breakdown of complex molecules into simpler ones.
Catabolic reaction
Anabolism - Correct Answer The building up of complex molecules from simpler ones
Levels of Structural Organization - Correct Answer Atom (chemical), Molecule
(chemical), Cell tissue, Organ, Organ System, Organism
Homeostasis - Correct Answer The maintenance of the internal environment regardless
of external conditions
Negative feedback mechanism - Correct Answer Most feedback mechanisms are this
type - regulating body temperature, blood pressure, blood glucose
Cranial Cavity - Correct Answer Brain and spinal cord
vertebral cavity - Correct Answer spinal cord
thoracic cavity - Correct Answer heart and lungs
abdominopelvic cavity - Correct Answer stoach digestive organs
parietal membrane - Correct Answer lines cavity wall
visceral membrane - Correct Answer lines the organs surface
ATP - Correct Answer a form of energy used by all reactions in cells. Made in the
mitochondria
4 elements that make up 96% of the human body - Correct Answer Oxygen, hydrogen,
carbon and nitrogen
atomic number - Correct Answer number of protons. Always the same as the number of
electrons
Atomic mass - Correct Answer decimal number - number of protons and neutrons
together - if you subtract the protons you get the number of neutrons
, ionic bonds - Correct Answer the transfer of one or more electrons
anion - Correct Answer negative charge - gains one electron
cation - Correct Answer positive charge - loses one electron
covalent bond - Correct Answer shared electrons
2 types of covalent bonds - Correct Answer Polar - unequal sharing of electrons
Nonpolar - equal sharing of electrons
PH - Correct Answer Acid base concentration - homeostasis of acid base balance is
regulated by chemicals called buffers
buffers - Correct Answer acccept hydrogen ions when PH is high and donates when the
PH is low
Carbohydrates - organic compound - Correct Answer fructose, glycogen
Protiens - organic compound - Correct Answer amino acids and enzymes
Lipids - organic compound - Correct Answer triglycerides, cholesterol
Nucleic acids - organic compound - Correct Answer DNA, RNA
DNA nitrogenous bases - Correct Answer Adenine, Guanine, Cytosine, Thymine
(AGCT)
RNA nitrogenous bases - Correct Answer Adenine, Guanine, Cytosine, Uracil (AGSU)
Plasma Membrane - Correct Answer Phospholipid bilayer composed of hydrophilic
(phosphate) heads and hydrophobic (lipid) tails
Resting membrane potential - Correct Answer maintained by sodium potassium pump
(active transport) - takes 3 sodium out and 2 potassium in
K+ Potassium - Correct Answer 10 times higher inside the cell - major intracellular
cation
Na+ Sodium - Correct Answer 10 times higher outside the cell - major extracellular
cation
passive transport - osmosis - Correct Answer Movement of water. Water follows salt,
thats what makes it move