WITH ANSWERS
◉ cell membrane. Answer: outside cell boundary that controls
which substances can enter or leave the cell.
◉ cell membrane receptors. Answer: specific molecules on the cell
membrane surface that produces or block biological activity in the
presence of a specific substance to which they bind.
◉ nucleus. Answer: brain of the cell that regulates all activities.
some cells do not have a nucleus.
◉ cytoplasm/protoplasm. Answer: substance inside the outer
membrane and outside of the nucleus. contains most of the
intracellular fluid.
◉ extracellular fluid. Answer: body fluid located between or outside
cells. consists of interstitial fluid or fluid between cells and
intravascular fluid or fluid within the blood such as plasma.
◉ tissues. Answer: groups of cells with a common structure and
function.
,◉ organs. Answer: specialized cells and tissues grouped together to
perform a specific body function for a common purpose. (ex: kidney,
heart, intestines, and skin).
◉ what are the three types of muscle tissues?. Answer: skeletal,
smooth, and cardiac
◉ voluntary movements. Answer: directed and controlled
consciously by the brain.
◉ involuntary movements. Answer: occur without conscious
direction and control from the brain.
◉ plasma. Answer: liquid portion of the blood that carried proteins
and other substances.
◉ proteins. Answer: made up of chains of amino acids.
◉ fats. Answer: stored in special body tissues as a great source of
reserve energy. necessary for growth and other body functions such
as absorption of some vitamins.
,◉ carbohydrates. Answer: body's immediate source of energy.
broken down into glucose and used for immediate metabolic
reactions.
◉ vitamins. Answer: necessary for growth, development, and
normal regulation of metabolic processes. MUST be taken from
outside of body.
◉ minerals. Answer: necessary for bodily processes like the balance
of the body fluids, formation, and maintenance of bones and teeth,
and the proper functioning of muscles.
◉ what are the main minerals?. Answer: calcium, potassium, iron,
sodium, phosphorous, iodine.
◉ cardiovascular system. Answer: heart, blood vessels, and blood
itself. body's main transportation system. provides nutrients and
hormones, plus removes waste from cells.
◉ respiratory system. Answer: nasal passages, trachea, diaphragm,
lungs. performs exchange of oxygen and carbon dioxide between the
body and environment.
, ◉ gastrointestinal system. Answer: mouth, esophagus, stomach,
liver, pancreas, gallbladder, small and large intestine. used by body
to acquire energy and nutrients it needs to sustain itself.
◉ nervous system. Answer: brain, spinal cord, nerves. conducts
electrical signals throughout the body and allows it to interact
properly with its environment.
◉ musculoskeletal system. Answer: muscles, bones, other minor
systems. responsible for the body's basic frame support, movement,
and to perform physical work.
◉ reproductive system. Answer: major role is to manufacture,
transmit, and maintain the cells for reproduction.
◉ immune system. Answer: lymph nodes, vessels, cells. major
purpose is to attack and remove foreign substances and microbes.
removes excess fluids from the body.
◉ plasters. Answer: composition of liquid and powder that hardens
when dry.
◉ transdermal patches. Answer: release a very small amount of a
drug at a consistent rate, which absorbed into the skin and then
carried off by capillary blood supply.