Biology 2401 Flashcards
(39 cards)
Physiology
study how living organisms perform their vital functions
Human Physiology
study of functions of cells is the cornerstone of human physiology
Cytology
study of the internal structure of individual cells, the simplest unit of life
Calcaneal
heel of foot
Brachial
arm
Prone
Lying down, face down
Viscera
layer covers organ
Parietal
layer lines cavity
Thoracic Cavity
above diagram, contains lungs heart and associated organs, as esophagus trachea thymus and thoracic aorta
Mediastinum cavity
stabilizes and supports esophagus, trachea, thymus, major blood vessels which originate in the heart
Diaphragm
flat muscular sheet separates the thoracic cavity from the abdominal cavity
symptoms
subjective disease indication such as tiredness,pain
Sickness
any condition that causes one not to feel well (me)
Cells
Smallest living units in the body
Organs
are made up of 2 or more tissues working together to perform specific functions
Mass
anything that takes up space and has mass
Isotopes
atoms of the same element whose nuclei contain a different number of neutrons
Atomic Weight
average of different atomic masses and proportions of its different isotopes
Isotopes
atoms of same elements whose nuclei contain a different number of neutrons
Atomic Number
number of protons of an atom
Valence Shell
outermost electron shell, which determines the chemical properties of the elements
Ionic Bond
chemical bonds created by the electrical attraction between anions and cations
ion
an atom or group of atoms, that has electric, either positive or negative
anion
electron acceptor gains 1 or more electrons, have a negative charge