9 Flashcards
What is the role of hydrochloric acid in digestion?
It aids in breaking down food
What is chyme?
A mixture of partially digested food and digestive juices
What organ produces insulin?
Pancreas
What is the function of the gallbladder?
Stores bile produced by the liver
What is the primary function of the colon?
Absorbs water and nutrients from food waste
What type of waves do vibrations produce?
Longitudinal waves
How do sound waves travel?
Through a medium such as air or water
What is a key characteristic of transverse waves?
Movement is 90° to the vibration causing it
What defines longitudinal waves?
Vibrations in the same plane of travel
What is wavelength (lambda)?
Distance between crests or troughs
What does amplitude measure?
Distance from midregion to crest or trough
What is the formula for calculating speed (S)?
S = D/T
What is the relationship between amplitude and loudness?
Bigger amplitude = louder sound
What determines the pitch of a sound?
Frequency of the sound wave
Fill in the blank: Higher frequency results in a _______ pitch.
high
Fill in the blank: Lower frequency results in a _______ pitch.
low
