1.All \"blue\" blood returns to the heart at the chamber. 2. Pectinate muscles a
ID: 3522119 • Letter: 1
Question
1.All "blue" blood returns to the heart at the chamber. 2. Pectinate muscles are found in the 3. Papillary muscles are found in the 4. All of the muscle cells that come together to form the atria are able to contract in unison and represent a functional s. The chamber has the thickest wall. When the A-V valves are closed the ventricles are 7. The vessel with the highest BP is the and the vessel type with the lowest velocity is the Stimulating the vagus nerve (CN X) would HR. 9. What accounts for the plateau of phase of an AP in cardiac muscle tissue? 10. What affect on the EKG pattern might result from damage to the AV node or bundle of His?Explanation / Answer
1) All the blue blood returns to the right atrium of heart.
2) Pectinate muscles are found mainly in the right atrium.
3) Papillary muscles are found in the ventricles of the heart.
4) All of the muscles that come together to form the atria are able to contract in unison and represent a functional syncitium.
5) The left ventricle has the thickest wall.
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