chapter 1 Flashcards
what is the study of body structure?
anatomy
what is the study of body functions?
physiology
what is the smallest unit of organization?
cellular
what is the largest unit of organization?
organism
what is the smallest unit of matter?
atom
what are two or more atoms joined together?
molecule
what are groups of cells that work together to perform a similar function?
tissue
what are structures composed of two or more different types of tissues?
organs
in metabolism, what breaks things down?
catabolic
in metabolism, what builds things up?
anabolic
what reverses a change in a controlled condition?
negative feedback system
what strengthens or reinforces a change in one of the body’s controlled conditions?
positive feedback system
what is cephalic?
head
what is cervical?
neck
what is the trunk?
body
what divides the body into equal halves?
midsagittal plane
what divides the body into unequal halves?
parasagittal plane
what divides the body into right and left sides?
sagittal plane
what divides the body into anterior and posterior?
frontal (coronal) plane
what divides the body into superior and inferior portions?
transverse plane
what cavity is formed by the vertebral column and contains the spinal cord and beginnings of spinal nerves?
vertebral column
what cavity is formed by cranial bones and contains the brain?
cranial cavity
what is the chest cavity?
thoracic cavity
what cavity surrounds the lungs?
pleural cavity
what cavity surrounds the heart?
pericardial cavity
what is the central portion of the thoracic cavity?
mediastinum
what cavity contains the stomach, spleen, liver, gallbladder, small intestine, and most of the lungs?
abdominal cavity
what cavity contains the urinary bladder, portions of the intestine, and internal organs of reproduction?
pelvic cavity
