Essential Science Vocabulary: Life Science: Human Systems

Whether you want to brush up on biology, study space science, or prep for a physics test, this collection of science vocabulary is for you! Our lists cover essential terms and concepts from all major scientific disciplines.
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Full list of words from this list:

words only definitions & notes
  1. circulation
    the movement of blood through the heart and blood vessels
  2. digestion
    the process by which the body breaks down food
  3. digestive
    relating to the process of breaking down food for energy
  4. endocrine
    of or belonging to glands that secrete hormones
  5. excretion
    the bodily process of discharging waste matter
  6. homeostasis
    metabolic equilibrium maintained by biological mechanisms
  7. hormone
    the secretion of an endocrine gland transmitted by the blood
  8. immune
    relating to or conferring resistance to disease
  9. immunize
    perform vaccinations or inoculate against a disease
  10. infection
    the invasion of the body by pathogenic microorganisms
  11. lymphatic
    relating to a clear fluid containing white blood cells
  12. metabolism
    the organic processes that are necessary for life
  13. muscle
    one of the contractile organs of the body
  14. nervous
    of or relating to a system of sensory apparatus
  15. nutrient
    any substance that can be metabolized to give energy
  16. nutrition
    the organic process of nourishing or being nourished
  17. pathogen
    any disease-producing agent
  18. reproduction
    the process of generating offspring
  19. respiration
    the bodily process of inhalation and exhalation
  20. respiratory
    pertaining to the act of breathing
  21. skeleton
    the structure providing a frame for the body of an animal
  22. vaccination
    taking a substance, usually by injection, against a disease
Created on Thu Aug 05 09:47:17 EDT 2021 (updated Thu Aug 05 10:28:09 EDT 2021)

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