Upper respiratory tract
What is the nose, nasal cavity, sinuses, and pharynx?
Consists of the heart, arteries, veins, and capillaries.
What is the Cardiovascular system?
Detects changes to the internal and external environment.
What is Sensory?
Fibers conduct impulses over the entire membrane
What is Unmyelinated?
Accessory structures of the eye
What is the eyebrow, eyelids, and ocnjunctiva?
A voluntary increase in rate and depth of breathing
What is Hyperventilation?
Four heart chambers
What is Two atria on top, and two ventricles below
Nervous system divisions
What is Central nervous system and Peripheral nervous system?
If a neuron responds at all, it responds completely. Greater intensity of stimulation triggers more impulses per second, not stronger impulses.
What is the All-or-None response
Ring of smooth muscle, controls the shape pf the lens.
What is the Ciliary body?
Respiratory Volumes
What is the tidal, and residual volumes?
Widening or ballooning of a portion of an artery related to weakness in the wall of the vessel.
What is the aneurysm disease?
Types of Neuroglia
What is astrocytes, microglia, ependyma, and oligodendrocytes?
Na+ channels open, Na+ ions rush into the cell
What is depolarized?
Senses the position of body parts, helps maintain stability and posture, detects motion, and helps mainatin balance.
What is Equilibrium?
Sensitive to changes in the concentration of carbon dioxide and hydrogen ions
What is the respiratory center?
Thrombin stimulates _______ to join forming strand of ____.
What is fibrinogen; fibrin?
Prepares body for activity, stress, and danger "fight of flight"
What is the Sympathetic NS?
Sodium/potassium pump return the Na'/K' ions to their original position (Na+ outside. K+ inside)
Different decibels
What is 50 dB, 70 dB, 90 dB, 120 dB, 140 dB?
Caused primarily by elastic recoil of lung and muscle tissues and surface tension of alveoli.
What is expiration?
Factors that influence arterial BP
Myelin: increases the speed of impulse transmission Nodes of Ranvier: gaps in the myelin sheath
Spinal reflexes
What is stretch reflex and withdrawal reflex?
Different types of tastes
What is Umami, sweet, salty, sour, and bitter?