Heart Structure
The heart has this number of chambers
What is 4?
The trachea splits into this number of main bronchi
What is 2?
We have valves in out heart to make sure that this doesn't happen?
What is blood flowing backwards?
This is the name for the space resulting in a smaller left lung
What is the cardiac notch?
This structure is commonly referred to as the "voice box" due to its assistance in breathing, swallowing, and talking
What is the larynx
Deoxygenated blood enters the heart through this structure
What is the vena cava?
What are bronchioles
These structures return blood back to the heart after it's been oxygenated by the lungs
What are the pulmonary veins?
To allow for easy gas exchange, the alveolar sacs are made of this type of tissue
What is simple squamous?
These two gasses are swapped during gas exchange in the capillaries of the alveoli
What are oxygen and carbon dioxide?
The tricupsid valve is found on this side of the heart
What is the right side?
This structure covers the alveoli in a net like fashion to allow for gas exchange
What are capillaries
There are two entrances and exits to the heart for this reason
The nasal conchae perform these three function to aid in preparing air for the lungs
What is increase surface area, humidification, and warming?
This structure is the largest artery in the body
What is the aorta
The heart wall is comprised of these three layers
What is epicardium, myocardium, and endocardium?
This structure found just below the lungs is responsible for contracting to expand the lungs
This layer of the heart acts to reduce friction
What is the epicardium?
The trachea is covered when swallowing by this thin flap of cartilage
What is the epiglottis?
What is similar structures and size?
What is tunica media?
This is the name for the tube that connects the mouth and nose to the voicebox
What is the pharynx
The ventricles differ in this way from the atrium so they can maintain efficiency at pumping blood
What is wall thickness?
The trachea is reinforced by these to maintain an open airway
What are cartilage rings?
This is the name for the point of the heart, located at the bottom and used to orient the organ in space
What is the apex?