Test 3 Flashcards
What is the name for an unborn baby when he is distinctly recognizable as a miniature baby?
fetus
The chemical and physical processes by which the body “burns” food and generates energy is called _____.
metabolism
What type of circulation involves the movement of blood through all parts of the body except the lungs?
systemic
The pressure during contraction of the ventricles is called _____ pressure.
systolic
What are the muscles that increase the angle between the bones of a joint?
extensors
What is the most important and complex part of the nervous system?
brain
The _____ nervous system is responsible for functions that are consciously controlled.
somatic
The _____, or white of the eye, is part of the tough outer layer of the eyeball.
sclera
The ____ is the colored part of the eye.
iris
What is the eating disorder that is characterized by self-induced starvation and being severely underweight?
anorexia nervosa
____ are the leading cause of accidental deaths in the United States.
traffic accidents
If your clothing catches on fire, you should immediately _____.
stop, drop, and roll
Never use water on electrical or ____ fires.
grease
What are the body’s largest veins?
venae cavae
What are the large, spongy organs located inside the thoracic cavity?
lungs
What is the rigid ring of thick bone that supports most of the body’s weight?
pelvic girdle
What is the connective tissue that attaches muscle to bone?
tendon
What is the wasting away of muscle through lack of use called?
atrophy
The dendrite, axon, and _____ are all parts of a neuron.
cell body
What is the thick bundle of nerve fibers through which the brain communicates with the body?
spinal cord
Sensory receptors that are responsible for sensations of touch and pressure are called ____.
mechanoreceptors
Sensory receptors that are responsible for sensations of smell and taste are called ____.
chemoreceptors
What is the inability of the eyes to focus on distant objects?
myopia
What is a good drownproofing technique to use in choppy water?
survival float
What drownproofing technique should be used in cold water (while wearing a PFD)?
HELP position
During which weather phenomenon should a person seek underground shelter or crouch down next to a wall where there are no windows?
tornado