Vessels
Carries the blood away from the heart
Arteries
Number of chambers in the heart
4
Organ that pumps blood throughout the body
Heart
Blood enters the heart into this chamber
Right atrium
The blood picks up _______ and drops of __________ as it passes through the lungs
Oxyden, carbon dioxide
Carries the blood towards the heart
Veins
Heart chambers that receive blood entering the heart
Atria (atrium)
The heart pumps blood to these other organs to receive oxygen and release carbon dioxide
The right atrium receives blood from the body and pushes it into the ______________
Right ventricle
The circulatory system is a good name for the heart, arteries, veins, capillaries, and blood because ________
The blood moves around your body in a "circle"
Tiny blood vessels that connect the veins and arteries to body cells
Capillaries
Chambers pumping blood out of the heart
Ventricles
The vessel that brings blood away from the heart to the lungs
After receiving oxygen in the lungs, the blood re-enters the heart into the _______________
Left atrium
The length of time it takes for the blood to complete the whole trip around the body
Less than a minute
_________ have thick muscular walls
Arteries
Blood enters the right atrium through these 2 vessels
Superior vena cava, inferior vena cava
The vessel that brings blood from the lungs back to the heart
Pulmonary vein
The left atrium pushes the blood into this chamber before it leaves the heart
Left ventricle
Blood delivers _______ and _________ to the body's cells, and takes _________ and ____________ away from the body to the heart
Food, oxygen, carbon dioxide, wastes
__________ have thin walls
Veins
The 2 sides of the heart are separated by a wall called a ___________
Septum
Blood leaves the heart through __________; the largest artery
Aorta
The "doors" that keep blood moving through the heart in the right direction
Valves
The blood receives oxygen and releases carbon dioxide in tiny air sacs called _________
Alveoli