A & P 2 chapter 12

septum

The tissue that divides the left and the right side of the heart is called the

sinoatrial node

the -----------------is considered the pacemaker of the heart

artery

type of blood vessel carries blood away from the heart

vein

what type of blood vessel returns blood to the heart

capillary

what type of blood vessel allows the exchange of nutrients, oxygen, and waste products between the tissues and blood stream

bright red

what color would you expect oxygenated blood to be

dark red

what color would you expect deoxygenated blood to be

pericardium

the serous membrane that surrounds the heart is called the

endocardium

the inner lining of the heart is called the

pulmonary artery

which blood vessel carries blood from the heart to the lungs

pulmonary vein

which blood vessel returns blood from the lungs to the heart

vena cava

which blood vessel returns blood from the body to the heart

lymphocyte

a type of WBC that produces antibodies

plasma

the liquid portion of blood

eosinophil

a type of WBC that is involved in parasitic infections

thrombocyte

a cell that helps with blood clotting/a platelet

basophil

a type of WBC that secretes heparin

erythrocyte

a cell that carries oxygen/red blood cell

leukocytes

a group of cells that help fight infection/white blood cell

neutrophil

a type of WBC that performs phagocytosis

hemoglobin

a protein that attaches and gives the blood its color, circulate the oxygen: red blood cell

right atrium

what chamber of the heart does the vena cava attach to

left ventricl

what chamber of the heart does the aorta attach to

left atrium

what chamber of the heart do pulmonary veins attach to

veins

what type of blood vessel has valves

atrium

the upper chambers of the heart are called---------------

ventricle

the lower chambers of the heart are called-------------------

bicusped

the------------valve sits between the left atrium and the left ventricle

tricusped

the ------------valve sits between the atrium and the right ventricle

pulmonary

the ----------ateries deliver oxygen-rich blood to the heart muscle

sistoly

--------is the phase of the cardiac cycle the heart contracts

diostilate

----------is the phase of the cardiac cycle where the heart is at rest

heart failure

a condition where the heart is unable to pump efficiently

myocardial infarction

heart tissue death due to insufficient blood supply

valvular stenosis

a narrow valve

arterosclerosis

hardening and narrowing of the arteries due to the presence of fatty plaques inside

filrillation

a type of arrhythmia characterized by rapid but coordinated contractions, sometimes reaching rates of 300 beats/minute

arrhythmia (dysrhythmia)

a irregular heartbeat

hemophilia

an inherited disease characterized by impaired blood clotting

anemia

a deficiency of red blood cells or hemoglobin

thrombocytopenia

deficiency of platelets

leukocytosis

increased numbers of WBC, often related to infection

leukppenia

deficiency of WBC

thrombus

blood clot

embolus

when a chunk of a blood clot breaks loose and is carried through the circulation

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