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Cardiovascular System

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