What is the sac that surrounds the heart called
pericardium
What is the liquid portion of blood?
plasma
Sites of gas exchange
Capillaries
Where deoxygenated blood enters the heart
right atrium
There are four valves inside the heart name them.
Tricuspid, Mitral or bicuspid, Pulmonary, and Aortic
Largest artery in the body
Aorta
Name the four chambers of the heart. (Remember right and left)
Right and Left Atrium, Left and Right Ventricle
What chamber does the blood return to once it leaves the lungs.
Left Atrium
Heart chamber that supplies oxygenated blood to the body
Left Ventricle
What type of blood is in the pulmonary artery(oxygenated or deoxygenated)
deoxygenated
What is the name of the valve between the right atria and right ventricle
Tricuspid
The cardiovascular system is a closed system which consists of :
Blood
Heart
Blood Vessels
Blood vessel that carries blood from the lower body into the right atrium
Inferior vena cava
Blood vessel carrying oxygenated blood to the left atrium
pulmonary vein
A wall of tissue that divides the right and left sides of the heart
Cardiac septum
The heart wall is made mostly of what
muscle
why are their valves in hearts?
to stop blood from flowing back
What is systemic circulation?
The flow of blood between the heart and the cells of the body. The left side of the heart pumps the oxygenated blood to the rest of the body. The blood returns from the body to the right side of the heart to maintain continuous circulation.
Generates an electrical impulse that travels through the heart via the bundle
Sinus node
Total time it takes your blood to circulate through your body. (Every team answers and closet answer receives the points).
20 seconds
What is pulmonary circulation?
Blood between the heart and lungs. The right side of the heart pumps deoxygenated, or oxygen-poor, blood to the lungs. In the lungs, carbon dioxide is exchanged for oxygen. Then the oxygenated, or oxygen-rich, blood returns to the left side of the heart.
What is another name for the Mitral valve?
Bicuspid valve
What are the main functions of the heart?
Supplies nutrients and oxygen to the body
Removes metabolic waste and carbon dioxide from cells
Distributes hormones and antibodies throughout the body
Helps control body temperature and electrolyte balance