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Cardiovascular System

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Across
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Located between the left atrium and left ventricle
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This system pumps blood to and from the heart
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Located at the top of the heart
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Responsible for immune response, make up approx 30% of circulating WBC's
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Largest of the WBC's, when mature is called a macrophage
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Artery that blood leaves the heart through when returning to the body
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Located between the right atrium and right ventricle
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Origin of the heartbeat
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Granulocyte responsible for controlling mechanisms associated with controlling allergies and asthma
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WBC's that originate in the bone marrow, are responsible for antibody production by creating Y shaped proteins that stick to foreign invaders
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WBC only seen when animal is having an extreme allergic reaction
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Sequence of events that occurs during one complete heartbeat
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Carry oxygen rich blood away from the heart
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Membrane surrounding the heart
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Refers to the relaxation of a heart chamber before and during filling of the chamber
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Largest lymphatic organ in the animals body
Down
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Red blood cell
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Carries oxygen poor blood from the heart to the lungs
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WBC's that originate in the bone marrow but migrate to the thymus
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Frequency of cardiac cycles
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Carries oxygen rich blood back to the heart from the lungs
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Located at the bottom of the heart
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Site of most large animal venipuncture, located in the neck
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Secrete chemical messengers called cytokines, promoting antibody production
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Helps kill cancer cells, cells that are infected, or cells that are damaged
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Responsible for clotting
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Inner aspect of the pericardium
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Carry oxygen poor blood back to the heart
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Refers to the contraction of a heart chamber in the process of emptying