Levels of Organization
Smallest Unit of life
Atom
reaction to a change
response
Maintaining of a stable internal environment
homeostasis
skin, hair, nails, and various glands
Functions to cover the body, senses changes outside the body and helps regulate body temperature
integumentary system
means that the body part is above another part or is closer to the head
superior
two or more atoms
molecule
production of new organisms and new cells
reproduction
provides information about the stimuli
receptor
bones and Ligaments
provides support, protection, framework, stores inorganic cells, and houses blood- forming tissues
skeletal system
means toward the back
posterior or dorsal
large, biologically important molecules inside cells
macromolecules
Breakdown of food substances into more simple forms that can be absorbed and used
digestion
tells what a particular value should be (called the set point)
control center
Provides body movement, posture, and body heat
muscular system
describes a body part that is closer to a point of attachment than another body part
proximal
carry out specific activities, aggregates of macromolecules
movement of substances from place to place in bodily fluids
circulation
elicits responses that change conditions in the internal environment
effector
brain, spinal cord nerves, and sense organs
Integrates incoming information from receptors and uses the brain to send impulses to muscles and glands
nervous system
means situated near the surface
Superficial
List the correct order of the levels of organization
Removal of waste produced by metabolic reactions
excretion
What is the parietal and visceral membrane?
parietal is the outer wall
visceral covers the organs
Secretes hormones to help regulate metabolic functions
endocrine system
divides the body into right and left portions
sagittal