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The Circulatory System

Horizontales
Blood leaving the left atrium flows into the left ventricle through this valve.
A protein or other molecule that, when introduced into the body, triggers the production of an antibody.
Chemicals that which prevent certain blood factors from being activated.
The phase of the cardiac cycle in which the heart relaxes between contractions.
Name of the circulation of blood through the coronary blood vessels to deliver oxygen and nutrients to the heart muscle tissue.
The 2 LOWER chambers of the heart.
The human body has a _______ circulatory system where the blood is contained and travels through tubes called blood vessels.
The smallest arteries that still have three tunics.
The _____ circulation moves the blood to the alveoli (air sacs) of the lungs.
The _____ node is located near the tricuspid valve in the right atrium. Initiates the action potentials that cause the heart to beat.
A circulating connective tissue made of plasma, cells, and platelets. (Watery Substance) ----- means life.
The right atrium receives _____ blood from the body.
The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body.
The node located in the upper portion of the right atrium. Is often called the Pacemaker since it initiates the action potentials that cause the heart to beat.
Gives blood its color. Is composed of four protein chains (called globins), each of which is neatly folded into a particular shape. When it drops off O2, its color darkens. Iron-containing protein in red blood cells that binds oxygen and transports it to the body.
The pulmonary _____ is a large artery that branches into the pulmonary arteries & carries blood to the lungs.
Is an inactive protein, but it plays a critical role when injury occurs. It can be activated to form a blood clot if bleeding occurs.
Flap-like extensions of the atria, seen anteriorly between each atrium and ventricle. Increase the volume of the heart.
White Blood cells that perform defensive functions in blood. Ratio of white blood cells are 700:1.
The phase of the cardiac cycle in which the ventricles contract.
Verticales
Red Blood (RBC) cells that contain hemoglobin which carries O2 to the cells. They do not have a nucleus and they only live four months.
1st step of Hemostasis. Narrowing or constriction of a blood vessel. Helps reduce blood loss in case of a cut. A decrease in the diameter of blood vessels caused by contraction of smooth muscles in the vessel walls.
Cell fragments in blood that help prevent blood loss (thrombocytes) - participate in coagulation, wound healing, and inflammation.
Literally, cell-eating. The process by which a cell engulfs and ingests a foreign or dead cell or cell part.
In the third stage of coagulation thrombin converts fibrinogen into ------.
Type O blood is known as the universal blood _____ type. Can be used in an emergency.
Term for iron-poor blood.
Attraction of cells to chemical stimuli.
A hollow muscular organ that pumps blood throughout the body.
_____ tendineae are string-like structure that attach to the AV valves of the heart.
_____ factors are proteins in blood plasma that helps initiate the blood coagulation process.
The left atrium receives _____ blood from the lungs.
Passage of white blood cells through pores in blood vessel to get into the tissue space.
Rh-_____ means there is an inherited protein on the surface of the erythrocytes in the blood.
The process by which the body stops blood loss.
Valve between left ventricle and aorta
The Platelet ______ Stage is the 2nd step of Hemostasis. Platelets form a plug to stop blood from leaking out of the tear.
The _____ elements of blood are the non-liquid parts of the blood - red blood cells, white blood cells, and cell fragments called platelets, about 45% by volume.