Fill in the blank: One of the two upper chambers of the heart is called the _______.

Fill in the blank: The two lower chambers of the heart are called the _______.

Fill in the blank: The heart valve located between the right atrium and the right ventricle is called the _______.

Fill in the blank: The heart valve located between the right ventricle and the pulmonary artery is called the _______.

Fill in the blank: The heart valve located between the left ventricle and the pulmonary artery is called the _______.

Fill in the blank: The heart valve located between the left ventricle and the aorta is called the _______.

Fill in the blank: The pathway of electrical impulses that controls the heart’s pumping action is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart that acts as the primary pacemaker is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart located at the bottom of the right atrium is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart located between the AV node and the bundle of His is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart located in the upper part of the septum dividing the ventricles is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart that divides from the bundle of His and carries the electrical impulse to the walls of the ventricles is called the _______.

Fill in the blank: The part of the electrical conduction system of the heart that divides from the bundle branches is called the _______.

Fill in the blank: A blood vessel that carries oxygenated blood away from the heart is called an _______.

Fill in the blank: The area where exchanges of oxygen and carbon dioxide, and nutrients and waste products, take place is called the _______.

Fill in the blank: A large vein that carries blood to the heart from the legs and trunk is called the _______.

Fill in the blank: A large vein that carries blood from the arms, head, and neck to the heart is called the _______.

Fill in the blank: To examine the body using the fingers or hands is to _______.

Fill in the blank: The outer layer of veins or arteries is called the _______.

Fill in the blank: The middle layer of veins or arteries is called the _______.

Fill in the blank: The inner layer of veins or arteries is called the _______.

Fill in the blank: The circulation of blood between the heart and the lungs is called the _______.

Fill in the blank: The circulation of blood between the heart and the rest of the body (except the lungs) is called the _______.

Fill in the blank: The liquid portion of blood is called _______.

Fill in the blank: The solid portion of blood is called _______.

Fill in the blank: A red blood cell that contains the protein hemoglobin that carries oxygen in the blood is called an _______.

Fill in the blank: A white blood cell capable of producing antibodies and destroying pathogens is called a _______.

Fill in the blank: Part of the formed elements of blood that plays a role in blood clotting is called a _______.

Fill in the blank: A cell that can become any type of cell is called a _______.

Fill in the blank: A type of white blood cell that is the body’s first defense against illness is called a _______.

Fill in the blank: A type of white blood cell is called an _______.

Fill in the blank: A type of white blood cell is called a _______.

Fill in the blank: A category of short-lived white blood cells including neutrophils, eosinophils, and basophils is called a _______.

Fill in the blank: A type of white blood cell that plays a role in boosting the body’s immune system is called a _______.

Fill in the blank: A type of lymphocyte that produces antibodies is called a _______.

A type of lymphocyte that can give chemical signals to regulate immune response or fight infected cells directly is called _______.

A substance that can prompt an immune response is called an _______.

The largest of the white blood cells; matures into macrophages, which 'eat' invading organisms, is called a _______.

A cell produced in the bone marrow that fragments into platelets is called a _______.

A common blood test used to determine the number of red blood cells, white blood cells, and platelets in a patient’s blood is called _______.

A condition in which a person has either too few red blood cells or too little hemoglobin in the blood is called _______.

A designation based on the presence or absence of specific antigens on a person’s red blood cells is called _______.

A system of classifying blood type based on the presence or absence of A and B antigens on a person’s red blood cells is called the _______.

A protein that may be present on a person’s red blood cells is called _______.

A designation for people who have Rh factor on their red blood cells is called _______.

A designation for people who do not have Rh factor on their red blood cells is called _______.

A transfer of blood from one person to the bloodstream of another is called a _______.

Blood in the arteries; oxygenated and marked by a bright red color is called _______.

Blood in the veins; it is deoxygenated and marked by a dark, deep red color is called _______.

A tubular device with a plunger that, when pulled, acts to draw in fluid (e.g., blood) is called a _______.

Blood in the capillaries; contains both arterial and venous blood and its color is between bright and deep red is called _______.

The formation of a clot within a blood vessel is called _______.

A reaction to injury in a blood vessel causing narrowing of muscular tissue at the site of the injury is called _______.

A substance in the body that speeds up a specific reaction is called an _______.

An enzyme in plasma that controls platelet response is called _______.

The first stage of hemostasis, concluding with the formation of a platelet plug, is called _______.

A protein associated with blood clotting; turned into fibrin when injury occurs, creating a mesh with platelets to stop bleeding, is called _______.

A protein that cannot be dissolved; forms a mesh with platelets to stop bleeding when injury occurs is called _______.

The mesh of fibrin and activated platelets formed at an injury site is called a _______.

The second stage of hemostasis, concluding with the formation of the hemostatic plug, is called _______.

The breaking down of fibrin as an injury heals is called _______.

An enzyme that plays a vital role in breaking apart fibrin as an injury heals is called _______.

A blood protein involved in the process of blood clotting is called a _______.

The series of changes in the body to prevent blood loss while also avoiding unnecessary and dangerous excessive clotting is called the _______.

A disorder that can cause excessive bleeding is called _______.

A disorder that can cause excessive clotting is called _______.

A clot formed within a blood vessel is called a _______.

A blood clot in the lungs; potentially deadly disorder is called _______.

In phlebotomy, a chemical agent that affects how blood can be processed and tested is called an _______.

The liquid portion of blood that has been allowed to clot; it is distinct from plasma and does not contain fibrinogen is called _______.

Fill in the blank: A(n) ________ is an anticoagulated blood specimen that has not been separated into solid and liquid components by spinning in a centrifuge.

Fill in the blank: The ________ is the middle layer of an anticoagulated blood specimen that has been spun in a centrifuge; contains white blood cells and platelets.