& Verified Answers
Anatomy Correct answer-The study of body structure
Physiology Correct answer-The study of body function
Levels of organization Correct answer-atom, molecule, macromolecule, cell, tissue, organ, organ
system, organism
Characteristics of life Correct answer-movement, responsiveness, growth, reproduction,
respiration, digestion, absorption, circulation, assimilation, excretion
Metabolism Correct answer-Sum of all characteristics of life make up what?
Requirements of life Correct answer-water, food, oxygen, heat, pressure
Homeostasis Correct answer-the condition of a stable internal environment
Homeostatic mechanism Correct answer-Process used to maintain a normal internal environment
in the body
negative feedback Correct answer--change away from set point
-point is detected and a change is made to reverse reading
Ex. Body temperature regulation.
positive feedback Correct answer--change away from the setpoint
-point is detected in a change is made to increase reading
Ex. Blood clotting, childbirth
Body Regions Correct answer-axial and appendicular
axial Correct answer-pertaining to the head, neck, and trunk
Appendicular Correct answer-upper and lower limbs
How many organ systems are there? Correct answer-11
Name the organ systems Correct answer-integumentary, skeletal, muscular, nervous, endocrine,
cardiovascular, lymphatic, respiratory, digestive, urinary, reproductive
Planes and sections of the body Correct answer-sagittal, frontal, transverse
transverse plane Correct answer-divides the body into superior and inferior parts
saggital plane (median) Correct answer-divides the body into a right and left sides
frontal plane (coronal plane) Correct answer-divides body into anterior and posterior sides
Chemistry Correct answer-the study of matter and how it changes
, Matter Correct answer-anything that has weight and takes up space
Elements Correct answer-Building blocks of matter
Majority of the body is composed of? Correct answer-Hydrogen (H)
Oxygen (O2)
Carbon (C)
Nitrogen (N)
trace elements Correct answer-Fluorine, iodine,iron
Atom Correct answer-Structural unit of a an element
Nucleus Correct answer-The center of an atom, containing the protons and neutrons
shells (orbitals) Correct answer-Where the electrons generally are, surrounding the nucleus
Isotopes Correct answer-Atoms of the same element that have different numbers of neutrons and
different weights
radioactive Correct answer-release of energy from unstable isotope
Why is radioactive good Correct answer-Electricity, metabolic studies, cancer treatment/diagnosis,
carbon dating/sterilization research and polymers
2 bonds involving electrons Correct answer-Ionic, covalent
ionic bond Correct answer-Atoms bond by transferring electrons
-ions
-atoms w a +/- charge
Covalent bonds Correct answer-sharing of electrons
non polar covalent bond Correct answer-electrons are shared equally
polar covalent bond Correct answer-unequal sharing of electrons
Hydrogen bond Correct answer-Bond between polar molecules ( keeps dna together)
4 chemical reactions Correct answer-synthesis, decomposition, exchange, reversible
Synthesis Correct answer-A+B-->AB
Decomposition Correct answer-AB->A+B
Exchange Correct answer-AB + CD --> AC + BD
Reverse Correct answer-AB <-> A+B
Acids Correct answer-substances that release hydrogen ions when dissolved in water