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Vocab for heart, blood pressure, veins, and blood parts
Vocab From the Board
25
Medical
10th Grade
03/03/2014

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Term
Aorta
Definition
The heart's main artery, which carries nutrient-rich blood away from the heart to the body's cells.
Term
Arteries
Definition
Blood vessels that carry blood to the body.
Term
Arterioles
Definition
Smallest Arteries
Term
Capillaries
Definition
Tiny, microscopic vessels connecting arteries to veins.
Responsible for transporting oxygen and nutrients to the cells
Term
Coronary Arteries
Definition
Heart's own system of blood vessels
Term
Plasma
Definition
The yellowish, liquid part of blood containing the blood cells
Term
Platelets
Definition
Tiny cell fragments in blood that aid in clotting
Term
Pulse Pressure
Definition
The difference between the diastolic and systolic pressures in the heart.
Term
Target Heart Rate
Definition
60-80% of your max heart rate
Term
Veins
Definition
Carry blood back to the heart
Term
Venules
Definition
Smallest veins
Term
Hemoglobin
Definition
The component of blood containing iron to which oxygen attaches when blood passes through the lungs.
Term
Red Blood Cells
Definition
The most numerous of blood cell types and are specialized to carry oxygen that is attached to hemoglobin.
Term
Superior Vena Cava
Definition
One of the two largest veins that carry blood into the heart; located near the top of the heart.
Term
Inferior Vena Cava
Definition
One of the two largest veins that carry blood into the heart; located below the superior vena cava.
Term
Atria
Definition
The upper chambers of the heart.
Term
Left Ventricle
Definition
One of the four chambers of the heart, and meets at the bottom of the heart. Part of the left side which carries oxygenated blood to all of the body.
Term
Right Ventricle
Definition
One of the four chambers of the herat, and meets at the bottom of the heart. Deoxygenated blood pumps into this chamber to get oxygen.
Term
Septum
Definition
The wall separating the left and right sides of the heart
Term
Pulmonary Artery
Definition
The artery that connects the heart to the lungs
Term
Systolic Pressure
Definition
the highest pressure in the heart caused by the contraction of the ventricles
Term
Diastolic Pressure
Definition
the lowest pressure in the heart caused by the relaxation of the ventricles
Term
Cardiac Conduction System
Definition
the heart's electrical system
Term
Pulse
Definition
-Rhythmic Beating of the heart felt in different points of the body.
-Athletes have lower pulse and blood pressures because they have stronger and more efficient hearts.
Term
White Blood cells
Definition
There are varying kinds of white blood cells, but all recognize and destroy invading organisms
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