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Biology 112 ECPI Ch 1,2,3 Questions and Answers
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Biology 112 ECPI Ch 1,2,3anatomy - answer study of STRUCTURE of the body and its parts
physiology - answer study of FUNCTION of human body and its parts
the ____________ of organs and parts of the human body determines the
___________. - answer structure; function
all materials living and nonliving are composed of chemicals which consist of _____ -
answer atoms
Levels of organization - answer subatomic particles, atom, molecule, macromolecule,
organelle, cell, tissue, organ, organ system, organism
subatomic particles - answer protons, neutrons and electrons that make up the cells
what makes up a cell - answer protons, neutrons and electrons
atom - answer tiny particles that makeup chemicals (hydrogen, carbon)
examples of atom - answer hydrogen, carbon
Molecule - answer particles consisting of atoms joined together (water, glucose)
examples of molecules - answer water and glucose
macromolecule - answer large particles consisting of of molecules (DNA, protein)
examples of macromolecules – answer DNA and proteins
organelle - answerfunctional part of a cell (mitochondrion, lysosome)
example of organelle - answermitochondrion, lysosome
cell - answerThe basic unit of structure and function in living things
example of cell - answermuscle nerve or blood cell
tissue - answerlayer or mass of cells with specific function (adipose tissue)
examples of tissue - answeradipose tissue
, organ - answergroup of different tissues with a function (heart, kidney, stomach)
example of organ - answerheart, kidney, stomach
organ system - answergroup of organs with common function (digestive system)
example of organ system - answerdigestive system
organism - answercomposed of organ systems interacting (human)
example of organism - answerhuman
Reproduction - answerthe process of producing offspring
responsiveness - answerreaction to a change inside or outside of the body
metabolism - answersum of chemical reaction
respiration - answermaking energy ex) taking oxygen in and giving off carbon dioxide
examples of respiration - answertaking in oxygen and giving off carbon dioxide
digestion - answerbreaking down food usable for nutrients for absorption into the blood
circulation - answermoving chemicals and cells through the body fluids
excretion - answerremoval of waste products
life requires these environmental factors - answerwater, oxygen, food, heat and
pressure
water - answerabundant in body, required for transport of substances and regulation of
body temperature
food - answerprovides necessary nutrients to supply energy
oxygen - answerreleases energy from food
heat - answera form of energy, helps to maintain body temperature
pressure - answerforce on an object
atmospheric pressure - answerimportant for breathing
hydrostatic pressure - answerkeeps blood flowing
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