The heart cannot pump enough blood to meet the body's needs. Organs may be damaged by lack of oxygen or nutrients.
What is heart failure?
200
Arteries
Which type of blood vessels carries blood away from the heart?
200
The flow of the blood from the heart through the arteries and veins back to the heart
What is circulation?
200
The amount of pressure exerted on blood vessel walls as the blood is pumped around.
What is blood pressure?
200
Heart muscles die and part of the heart is damaged. Arteries leading to the heart may be blocked.
What is heart attack?
300
They close to prevent blood from flowing backwards. When skeletal muscles contract, they squeeze nearby veins and help push blood to the heart.
What are valves?
300
Arteries from the heart deliver blood around the body, but which arteries give the heart its own blood supply?
What is Coronary Artery?
300
The circulation of blood between your heart and lungs.
What is pulmonary circulation?
300
Abnormally high blood pressure. Can have risks such as heart attack, heart failure, or stroke.
What is hypertension?
400
A tiny blood vessel that allows an exchange between blood and body cells. Carbon dioxide and other wastes leave body cells and are carried away by blood.
What are capillaries?
400
A tiny blood vessel that allows an exchange between blood and cells in tissue. Nutrients, oxygen, and other substances must leave blood and get to your body's cells. The walls are so thin that the blood cells must form a single file line and file through.
What is capillaries?
400
The circulation of blood between the heart and the rest of the body.
What is systematic circulation?
400
Abnormally high blood pressure. Can have risks such as heart attack, heart failure, or stroke.
What is Atherosclerosis?
500
Two chambers and four valves
The heart has _____ chambers and ______ valves.
500
The fluid part of blood. A mixture of water, minerals, nutrients, sugars, proteins, and other substances.
What is plasma?
500
Sinoatrial Node
Which of the following is referred to as the pacemaker of the heart?
500
Congestive heart failure due to coronary artery disease.
The heart is not getting enough blood and oxygen.