pig disecting video
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How many chambers in the heart?
4 (Atriums and Ventricles)
Blood leaving the right atrium enters the
right ventricle
The only type of artery in the body that carries deoxygenated blood is
pulmonary Artery
The only type of vein in the body that carries oxygenated blood is
pulmonary vein
The pressure exerted by the left ventricle must push blood
to the body
The lungs lobed structure may be characterized as
different on each side, vacillating cancer, can be removed
The right lung is composed of how many lobes?
3
Expiration is usually
passive
A situation that would most likely involve active respiration?
running a marathon
What structure helps to prevent food from entering the trachea?
epiglottis
Which heart chamber has the thickest muscular wall?
left ventricle
The groves in which the coronary arteries lie are called
sulci
The right ventricle must exert enough pressure to
lungs and left atrium
Heart attacks can result from blockage of
coronary artery
The valve between the left atrium and left ventricle is called
bicuspid
The cartilaginous rings that make up the trachea are
c-shaped
The trachea divides into two branches called
bronchi
What structure helps to prevent food from entering the sinus cavity during swallowing?
uvula
The SA node is located in
right atrium
What structure holds the chordae tendinae to the interior walls of the heart?
papillary muscles
What structures prevent heart valves from being forced backwards into the wrong chamber?
cusps
The wall separating the left side of the heart from the right side is called
septum
The waste gas removed from the blood during expiration is called
carbon dioxide
The left lung is composed of how many lobes?
2