Vocab 1
What is Plasma?
The fluid part of your blood
What is Resistance?
Opposition to flow
What is the Heart?
A hollow muscular organ that pumps the blood throughout the body.
What are Veins?
Blood vessel that carries blood toward heart
What are Arteries?
Blood vessel that carries blood away from heart
What is Blood Pressure?
Measurement of the pressure within the arteries
What is Hypertension?
When blood pressure is too high
What are Atria?
The two small upper chambers of the heart
What are Ventricles?
The two larger lower chambers of the heart
What is Hypotension?
When blood pressure is too low
What is Blood?
The red liquid that circulates in the arteries and veins of humans, carrying oxygen to and carbon dioxide away from the tissues of the body
What are Red Blood Cells?
The most abundant cell in the blood and account for about 40-45% of the volume of blood.
What is a Transfusion?
The process of transferring the blood of a person into the veins of another.
What are Capillaries?
Blood vessel that makes direct contact with tissue cells
What are heart Murmurs?
Abnormal heart sounds heard when blood hits obstructions
What is the Respiratory System?
Biological system consisting of specific organs and structures used for gas exchange in the human body
What are White Blood Cells?
The body's primary defense mechanism against diseases, infections, and foreign invaders.
What are Clots?
Semi-solid or gel-like masses that form in your arteries and veins.
What is the Cardiovascular System?
The system supplies oxygen and nutrients to your whole body and removes waste through your blood.
What are Fibrillations?
Rapid, irregular contractions
What is Hemoglobin?
An iron-rich protein found in red blood cells that transports oxygen from the lungs to body tissues and returns carbon dioxide from tissues back to the lungs.
What are Platelets?
Small fragments of cells involved in blood clotting
What is Systole?
When your heart contracts, pushing blood out of the chambers
What is Diastole?
The period between contractions when the muscle of your heart (myocardium) relaxes and the chambers fill with blood
What are Arrythmias?
When the electrical signals within your heart are interrupted