Respiratory 1
The two division of the respiratory system are _____ and _____.
Upper, Lower
This structure serves as a ‘trapdoor’ to prevent food or fluid from entering the trachea
Epiglottis
What skeletal muscle is considered the primary muscle of inspiration?
Diaphragm
Where does the chemical digestion of starch begin?
Mouth
What is the function of the greater omentum?
Forms a protective layer that cushions and insulates the organs within
The anatomically correct name for the voice box is the
Larynx
The anatomically correct name for the windpipe is the
Trachea
The respiratory centers of the brain respond to stimulus from which (2) types of receptors?
Chemoreceptors and stretch receptors
_____ is the process of chewing. This is also the first step of _____.
Mastication; mechanical digestion
What two body systems does the pancreas serve functions for?
Endocrine and Digestive
What is the major functional purpose of the nose and sinuses?
Warm and moisten air before it enters lungs
The trachea is kept open by C-shaped hyaline cartilage rings that leave the posterior portion open. What is the purpose of this?
Allows the esophagus to expand anteriorly to pass a large piece of swallowed food, if necessary
Which condition provides the strongest stimulus to inhale?
High blood levels of carbon dioxide
The majority of all nutrient absorption occurs in the
Small intestine
_____ processes are where complex molecules are formed and _____ processes are where complex molecules are broken down.
Anabolic; catabolic
The two major zones of the respiratory system are _____ and _____.
Conducting; Respiratory
_____ is to the movement of air as _____ is to the diffusion of gases.
Ventilation; Respiration
In healthy adults at rest, what is the average number of breaths per minute?
12 to 18
This enzyme is found in saliva and helps to break down _____.
Amylase; starch
Besides elimination, what other function does the large intestine perform?
Absorption of water
These structures, located throughout the respiratory system, serve to move the particle laden mucous to the pharynx where it can be expelled or swallowed.
Cilia
The protein of RBCs that transports O2 to the tissues is known as
Hemoglobin
Inhalation is always _____ and exhalation is generally _____.
active; passive
Order the layers of the digestive tract deepest to superficial:
1. Submucosa
2. Muscularis
3. Serosa
4. Mucosa
4, 1, 2, 3
What is the function of the lacteals?
Absorb fats from the small intestine