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openstax anatomy and physiology test 1
Terms in this set (59)
Characteristics of Life
Cells, reproduce, use energy, have different levels of organization
the state of steady internal
conditions maintained by living things.
Anything that deviates sends off warning signals- to maintain homeostasis
levels of organization
Chemical, Cellular, Organ, Organ System, Organism
Pertaining to internal organs
Number of protons in an atom
Particles found within the atom, mainly protons, neutrons, and electrons.
15 , P
Atoms of the same element that have different numbers of neutrons.
A positively charged ion
A negatively charged ion
Bonds can bend, stretch, and rotate without breaking.
A chemical bond resulting from the attraction between oppositely charged ions.
A covalent bond in which electrons are not shared equally
A chemical bond formed when two atoms share electrons
Compounds that contain carbon
A liquid made of hydroden and oxygen. h20
Spaces within the body that help protect, separate, and support internal organs
Branch of science dealing with the form and structure of body parts
Processes and functions of an organism
acids and bases
measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 (Very Acidic) to 14 (Very Basic) (H2O is neutral at 7)
types of energy
heat, sound, light, magnetism, mechanical, electric, chemical, nuclear
A simple sugar that is an important source of energy.
A carbohydrate composed of many molecules of C6H12O6 joined together, (polysaccharides) includes starch, glycogen, fiber
Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
Building blocks of protein
An organic compound that is made of one or more chains of amino acids and that is a principal component of all cells
A large lipid molecule made from an alcohol called glycerol and three fatty acids; a triglyceride. Most fats function as energy-storage molecules.
Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins.
Away from an attached base
Closer to the origin of the body part or the point of attachment of a limb to the body trunk
Away from the head end or toward the lower part of the body or structure; below
Higher on the body, nearer to the head
Away from the midline of the body
Closer to the midline of the body
Being or located near, on, or toward the back or posterior part of the human body
At the belly side of the human body
circulation, digestive, endocrine, excretory, integument, lymphatic, muscular, nervous, reproduction, respiration, skeletal
parts of a cell
Vacuole, plastids, nucleus, vacuole, call wall, cell membrane
Embedded proteins that perform specific functions for the cell membrane.
Diffusion of water through a selectively permeable membrane
A group of similar cells that perform a specific function.
nerves, carries information from one part of the body to another in the form of electrical impulses
An organ that can relax, contract, and provide that force to move your body parts
that which supports, protects, and binds together other tissues of the body is known as
A body tissue that covers the surfaces of the body, inside and out
Movement of molecules from an area of higher concentration to an area of lower concentration.
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