Cardio Basics ❤️
The cardiovascular system is also called what?
Circulatory system
Blood is composed of about 55% this fluid
Plasma
The human heart has how many chambers.
4
Arteries branch into these smaller vessels
Arterioles
Lymph nodes function to do what?
Filter pathogens/foreign substances
These vessels carry blood away from the heart
Arteries
Red blood cells carry this molecule that binds oxygen.
Hemoglobin
The two upper chambers of the heart
Atria
The smallest blood vessels, where exchange of nutrients occurs
Capillaries
This organ of the lymphatic system filters blood and stores white blood cells
The spleen
These vessels carry blood back to the heart
Veins
White blood cells are responsible for what function?
Fighting infection/immune defense
The two lower chambers of the heart
Ventricles
These arteries supply blood to the heart itself
The coronary arteries
This gland is essential for T-cell development
The thymus
The cardiovascular system delivers oxygen and nutrients to cells and removes what?
Waste products (like carbon dioxide)
Platelets are responsible for what?
Clotting
This valve prevents blood from flowing backward into the left atrium
Bicuspid valve
Arteries always carry this type of blood, except in the pulmonary artery
Oxygenated blood
The lymphatic system plays a major role in this body defense mechanism
Immune system
The circulation that carries blood between the heart and lungs
Pulmonary circulation
Platelets are also called what?
Thrombocytes
The heart is located in this cavity of the body
Thoracic cavity
Arterial walls are lined with this type of tissue to help smooth blood flow
Endothelium (epithelial tissue)
The lymphatic system transports this fluid.
Lymph