Red Cells & Revelations
Blood cells that transport oxygen throughout the body
What are red blood cells?
Carry blood toward the heart
the muscle layer of the heart
What is the myocardium?
abnormal rushing or blowing sound that results from a damaged heart valve
What is a heart murmur?
movable floor of the thoracic cavity
What is the diaphragm?
blood cells that protect the body from infection
What are white blood cells?
large blood vessel through which blood flows out of the heart and to the body
What is the aorta?
dividing wall that separates the right and left chambers of the heart
What is the septum?
A condition in which the body's blood pressure falls to a critical low because of excessive loss of blood or plasma
What is circulatory shock?
Tiny air sacs in the lungs
iron-containing protein that allows blood cells to transport oxygen
What is hemoglobin?
What are coronary arteries?
The heart's natural pacemaker
What is the sinoatrial node?
heart failure caused by a blockage of blood flow to the heart muscles
What is a heart attack?
Muscles that lift the ribs and sternum during inhalation
Blood cells are manufactured here
What is the bone marrow?
Contain internal valves
What are veins
Blood leaves the left ventricle through this valve
What is the aortic semilunar valve?
the buildup of excessive fluid in the lungs as a result of bacterial or viral infection
irregularly shaped air spaces in the nasal cavity that warms and moistens incoming air
nasal meatuses
blood protein that helps in clotting
What is fibrinogen?
resting blood pressure above 140/90
What is hypertension?
the left atrium and the left ventricle of the heart are connected by this valve
What is the bicuspid valve?
buildup of fatty and fibrous tissue in the liver, often caused by alcohol abuse
What is cirrhosis?
This structure controls the rate of breathing
What is the medulla oblongata?