TWEET HEARTS
Thin layer of tissue that covers the outside surface of the heart.
Pericardium
Structure that prevents backflow in the heart.
Valves
What is the location of the RADIAL pulse?
Wrist
Deoxygenated blood starts its journey through the heart via this chamber.
Right Atrium
What blood type is known as the universal recipient?
AB
Layer of the heart that is where branched muscle fibers are located, along with intercalated discs.
Myocardium
Blood cells that are infection fighters
Leukocytes
Which chamber of the heart pumps blood into the pulmonary artery?
Right Ventricle
What is the tissue that surrounds the heart, protecting it and reducing friction as it beats?
Pericardium
The period in the cardiac cycle where the heart contracts is known as this:
Systole
Deoxygenated blood is returned from the lower body to the heart via which vessel?
Inferior Vena Cava
Structure in the heart that prevents oxygenated and deoxygenated blood from mixing.
Septum
What type of pulse is taken by listening to the heart?
Apical
Layer of the heart that is smooth and reduces resistance to blood flow, minimizing the risk of clots.
Endocardium
What is the purpose of valves in the veins?
To prevent backflow of blood
Iron containing molecules in red blood cells.
Hemoglobin
Vessel that carries oxygenated blood from the lungs to the left atrium.
Pulmonary Vein
What is the location of the sinoatrial (SA) node?
Right atrium
What is the purpose of a signal delay at the AV Node?
To optimize ventricular filling
Harvey Heartbreaker is out for a nice quiet run by himself when his left ventricle stops working. What's next for Harvey?
He is going to wake up dead.
Linda Lou had bloodwork drawn from her arm. When the blood came out, it was bright cherry red. What type of vessel was the blood drawn from?
Artery
Which type of blood vessel is leaky, allowing it to deliver oxygen and nutrients to the body
Capillaries
What organ supplies the signal to the heart that it needs to beat?
Hypothalamus
Which valve of the heart is located between the left ventricle and the aorta?
Aortic
What is the name of the electrical fibers that branch off of the Bundle of HIS?
Purkinje