The point of a cone shaped structure. In the heart this is formed by the left ventricle and is pointed toward the inferior and left.
apex
A small vessel that carries blood from the capillaries to the veins
venule
A slow heart rate less than 60 bpm
bradycardia
The tiny air sacs in the lungs through which gases are exchanged between the atmosphere and the blood.
alveoli
A disease characterized by dyspnea and wheezing caused by spasm of the bronchial tubes or swelling of the mucous membranes.
asthma
The fibrous sac that surrounds the heart
pericardium
the largest artery, it receives blood gorm the left ventricle and branches to all parts of the body
aorta
An abnormally rapid heart rate, usually over 100 bpm
tachycardia
The enlarged, superior portion of the trachea that contains the vocal folds
larynx
Any of a group of chronic, progressive and debilitating respiratory diseases which includes emphysema, asthma, bronchitis, and bronchiectasis
chronic obstructive pulmonary disease
The thick middle layer of the heart wall composed of cardiac muscle
myocardium
microscopic blood vessel through which materials are exchanged between the blood and the tissues
capillary
A condition caused by the inability of the heart to maintain adequate blood circulation.
heart failure
One of the smaller subdivision of the bronchial tubes
bronchiole
The sudden and unexplained death of an apparently healthy infant
sudden infant death syndrome
The thin outermost layer of the heart wall
epicardium
An entrance chamber, one of the two upper receiving chambers of the heart
atrium
Spontaneous quivering and ineffectual contraction of muscle fibers, as in the atria or the ventricle
fibrillation
The throat: a common passageway for food entering the esophagus and air entering the larnyx.
pharnyx
Inflammation of the lungs generally caused by infection, asthma, allergy, or inhalation of irritants
pneumonia
The think membrane that lines the chambers of the heart and covers valves
endocardium
A vessel that carries blood back to the heart.
vein
The accumulation of fatty deposits in the lining of a vessel
atherosclerosis
A double layered membrane that lines the thoracic cavity and covers the lungs
pleura
An acute, contagious respiratory infection causing fever, chills, headache and muscle pain
influenza