Ch. 7.8 Key terms
What are aortic valves?
Located between the left ventricle and the aorta. It is the largest artery in the world.
What is the circulatory system?
Transportation system of the body.
What is the left atrium?
Receives oxtgenated blood from the lungs.
What is the plasma?
Fluid that is 90% water.
What is the systole
A brief period of ventricular contraction.
What are arrhythmias?
Abnormal heart rhythms and can be mild to life threatening.
What is a diastole?
A brief period of rest.
What is the left ventricle?
Recieves blood from the left atrium and pumps blood to the aorta.
What is the pulmonary valve?
A blood vessel that carries blood to the lungs.
What are thrombocytes?
Platelets and are fragments or pieces of cells
What are arteries?
Carry blood away from the heart.
What is the endocardium?
A smooth layer of cells that loans the inside of the heart and is continuous with the inside of blood vessels.
What are leukocytes?
White blood cells
What is the right atrium?
Recieves blood as it returns from the body cells.
What is the tricuspid valve?
Closes when the right ventricle contracts.
What is blood?
Made of the fluid called plasma.
What are erythrocyte?
Red Blood cells.
What is the mitral valve?
Closes when the left ventricle is contracting allowing blood to flow in the aorta.
What is the right ventricle
Recieves blood from the right atrium and pumps the blood into the pulmonary artery.
What are veins?
Blood flows through tiny tubes.
What are capillaries?
Connected to the venous system.
What are hemoglobins?
A complex portein composed of the protein molecule called globin.
What is the pericardium?
A double layered membrane that covers the outside of the heart.
What is the septum?
A muscular wall that seperates the heart into a right side and a left side.
What is the hemoglobin?
A complex portein composed of the protein molecule called globin.