Heart
What is the main purpose of the heart?
To circulate oxygen and nutrients to the rest of the body.
What is the purpose of arteries?
bring fresh blood to the rest of the body.
what is the biggest artery?
Aorta
what is the main purpose of veins?
carry blood with little oxygen back to the heart to get reoxygenated
what is the biggest vein in the human body?
inferior vena cava
What are the 4 main chambers of the heart?
Right atrium, right ventricle, left atrium, and right ventricle
What is the purpose of capillaries?
exchange oxygen, nutrients, and waste
between blood and tissues.
what artery or arteries carry blood to the brain?
Right/Left common carotid arteries
why do veins appear blue?
your skin reflects light differently and makes them appear blue
what veins are in the neck?
Interior/External jugular veins
what is the most important chamber of the heart?
Left ventricle
How do arteries control blood pressure?
Arteries use small muscles to expand and contract to control blood pressure
which arteries are in the upper thighs?
Femoral arteries
why do veins have valves?
to keep blood from flowing backwards
what is the purpose of the Inferior vena cava?
to carries blood from the legs and abdomen back to the heart
what is the purpose of the left ventricle?
To pump blood to the rest of the body.
What causes Coronary artery disease?
extra fat deposits in the arteries
which arteries supply blood to the lungs?
Right and left superior pulmonary arteries
What is a symptom of Varicose veins?
blood to clot and pool in the feet and legs
what vein carries deoxygenated blood to lungs to get more oxygen?
The Superior vena cava
What valve is connected to the right atrium?
the tricuspid valve
how many miles of blood vessels are in the human body?
Around 60,000
what artery supplies blood to the organs in the abdominal cavity?
Celiac artery
why are blood tests taken through the vein?
veins are closer to the surface of the skin
What veins are located in the upper thighs?
The Femoral veins