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24 Cards in this Set
- Front
- Back
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Myocardium
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two thin layers of epithelial and connective tissue that from a sandwich around a thick layer of muscle
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Atrium
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upper level that receives the blood
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Ventricle
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lower chamber, which pumps blood out of the heart
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Pulmonary circulation
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right side of the heart pumps blood form the heart to the lungs
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Systemic circulation
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left side of the heart and is pumped to the rest of the body
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Valves
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flaps of connective tissue between the atria and the ventricles
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Pacemaker
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cells set the pace for the heart as a whole by starting the wave of muscle contraction through the heart
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Aorta
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when blood leaves the left side, it passes into a large blood vessel
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Arteries
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large vessels that carry blood from the heart to the tissues of the body
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Capillaries
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the smallest blood vessels in the body
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Veins
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gets blood back to the heart
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Atherosclerosis
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a condition in which fatty deposits called plaque build up on the inner walls of the arteries
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Plasma
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straw-colored fluid that makes up about 55 percent of blood; consists of about 90 percent water and about 10 percent dissolved gases, salt, nutrients, enzymes, hormones, waste products, and plasma proteins
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Hemoglobin
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the iron-containing protein that binds to oxygen in the lungs and transport it to tissues throughout the body where the oxygen is released
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Lymphocytes
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produce antibodies that are proteins that help destroy pathogens
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Platelet
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fragments of cytoplasm is enclosed in a piece of cell membrane and released into the bloodstream
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Pharynx
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serves as a passageway for both air and food
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Trachea
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the wind pipe in our body
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Larynx
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two highly elastic folds of issue known as the vocal cords
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Bronchi
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two large passageways in the chest cavity
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Alveoli
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millions of tiny air sacs in the lungs
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Diaphragm
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a large flat muscle
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Nicotine
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a stimulant drug that increases the heart rate and the blood pressure of the person
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Emphysema
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the loss of elasticity in the tissue of the lungs
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