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left atrium

The pulmonary veins empty directly into the _____ ____.


The pulmonary veins are unusual because they carry _______ blood.


From the left atrium, blood flows through the ________ valve.

left ventricle

From the left atrium, blood goes to the _____ _______.


From the left ventricle, the blood is pushed to the ________.


Many arteries branch from the ______, carrying oxygen rich blood to all parts of the body.

vena cava

The blood that has been pumped throughout the body eventually returns to the heart, entering at either the superior or inferior ______ ______.

right atrium

The vena cava dump deoxygenated blood into the _______ _______.

right ventricle

Blood passes from the right atrium to the ______ _______.

pulmonary trunk

Blood leaves the right ventricle, and goes into the _______ _______, which subsequently branches into arteries that carry deoxygenated blood to the lungs.


Blood returns from the lungs and enters the _____ side of the heart.

pulmonary veins

The ________ ________ bring blood back to the heart.

left gastric

The ______ _____ artery supplies the stomach.


The _______ conduction system sets the heart's basic rhythm.


The ________ node, starts each heart beat and sets the pace for the whole heart.


These drain the tissues and return the blood to the heart.


The outermost layer of a blood vessel is called the tunica _______, its mainly composed of fibrous connective tissue.


The middle layer of blood vessels, thats mostly smooth muscle and elastic fibers is called the tunica ________.


The tunica ________, which lines the interior or "lumen" of a blood vessel, is a thin layer of endothelium resting on a basement membrane.


Blood pressure is highest in the ________.

vena cava

Blood pressure is lowest in the ______ _______.

right atrium

The SA node is located in the ____ ______.


The visceral layer of the heart is called the __________, which is actually part of the heart wall.

interventricular septum

The wall that separates the ventricles is called the ______ ______

blood pressure

What is the pressure that blood exerts against the inner walls of the blood vessels called?

peripheral resistance

The amount of friction that blood encounters as it flows through the blood vessels is called ________ ________.


A rapid heart rate over 100 beats per minute is called _________.


Tissue grafts donated by a genetically identical person - an identical twin - are called what?


Tissue graft transplanted from one site to another in the same person is called an _________.

skin, mucous membranes

The bodys first line of defense agains disease causing microorganisms would be the ____ and ______ _______.


The skins __________ epidermis is a strong physical barrier to most microorganisms that swarm on the skin.

naturally, artificially

Acquired immunity can happen ________ or ________.

active naturally aquired

Having an infection - direct contact with the pathogen - is an example of what form of acquired immunity?

passive naturally aquired

Antibodies passing from mother to fetus via placenta, or infant to mother via breastmilk is what form of immunity?

active artificially aquired

A vaccine of dead or attenuated pathogens is what form of immunity?

passive artificially aquired

An injection of immune serum, gamma globulin, is what form of immunity?


Redness, heat, swelling and pain are the four signs of _________.


This antibody crosses the placenta and provides passive immunity to the fetus.


This antibody binds to mast cells, triggers the release of histamines.


Lymph flows only _______ the heart.


________ is the chief antibody ammunition used against cellular antigens, such as bacterial of mismatched RBC.


________ occurs when antibodies bind to specific sites on bacterial endotoxins. They block the harmful effects of the endotoxin or virus.


This type of antigen-antibody reaction occurs when mismatched blood is transfused and is the basis of tests used for blood typing.


When antigen-antibody complexes are so large that they settle out of the solution, it is called _____.


What women's name helps you remember the 5 immunoglobulin classes?


Phagocytes are part of the body's ___ line of defense


NK cells are part of the body's ____ line of defense.


Secretions of the skin and mucous membranes are part of the body's ____ line of defense.


Resistence to disease is called _______.


Saliva and lacrimal fluid contain ________, an enzyme that destroys bacteria.

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