Which layer is both a part of the pericardium and a part of the heart wall?

Q: What are the mechanisms that assist in returning venous blood to the heart?

A: The most important transport liquid in the human body is blood. This is circulated from heart to…

Q: How is the return of venous blood to the heart accomplished?

A: The veins (blood vessels) that return the blood to the heart. The pressure developed in the veins…

Q: Identify the four valves of the heart?

A: Step 1 The human heart is hollow, a fibromuscular conical pyramidal mesodermal organ that lies…

Q: What are the layers of the heart (in order) that a scalpel would pass through during dissection?…

A: The scalpel initially passes the fibrous pericardium and the next comes the parietal layer of the…

Q: Which side of the heart pumps blood to the lungs?

A: Answer: Introduction: The heart is a muscular organ present behind and partially left of the…

Q: What is the change in intraventricular pressure between the time the first heart sound begins and…

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: What are the branches

A: The largest blood vessel of thr body is aorta. The transportation of the oxygen rich blood from the…

Q: How does the fact that cardiac muscle does not undergo tetanus (as skeletal muscle does) affect the…

A: Tetanus is a disease arose from the infection of the bacteria Clostridium tetani.A tetanic…

Q: What causes a pulse in an artery?

A: The vascular system or cardiovascular system or circulatory system is the organ system that allows…

Q: What veins collect blood from the heart muscle?

A: Veins can be defined as the type of blood vessel which generally transports deoxygenated blood in…

Q: Choose the correct option

A: The heart has four chambers where the right side deals with the deoxygenated blood and the left side…

Q: How does blood return to the heart despite the low pressure?

A: Answer: Introduction: The heart is a muscular organ present behind and partially left of the…

Q: Where is the fibrous skeleton of the heart located? What are itsfunctions?

A: The Human heart is a muscular organ located behind the breastbone and situated slightly to the left.…

Q: What anatomical feature prevents the electrical signal from traveling directly from atrial muscle to…

A: The heart is a muscular organ that is divided into the left and right side to prevent the mixing of…

Q: Name the membrane that covers the heart.

A: The heart is a muscular pumping organ that passes deoxygenated blood to the pulmonary organ and…

Q: What are the two blood vessels that provide the blood to the heart?

A: A human heart is 4 chambered mascular organ.  Both atria and ventricles are 2 in number. Along with…

Q: What are the characteristic internal features of each chamber of the heart?

A: The heart is the organ of the cardiovascular system. Mammals have a four-chambered heart; two atrial…

Q: Describe and identify the two layers of the pericardium and the three layers of the heart wall

A: The heart comprises four chambers: two upper sections known as the left atrium and right atrium and…

Q: Which plane divides the heart into anterior and posterior  portions?

A: The heart is a siphon, normally beating around 60 to 100 times each minute. With every heartbeat,…

Q: In correct sequence, which heart chambers, heart valves, and blood vessels would a drop of blood…

A: In humans' circulatory system, the blood enters the heart through the inferior and superior vena…

Q: What are the valves called that go from the ventricle to out of the heart?

A: The heart is a hollow, muscular organ primarily of cardiac muscles that functions as a pump to…

Q: List the divisions of the cardiac cycle?

A: In order to pump the blood, a sequence of contractions and relaxing of the atria and ventricles is…