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

Q: What is Cardiovascular Function?

A: The heart refers to an organ that consists of four chambers. It pumps the blood through the group of…

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 is ventricular fibrillation?

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

Q: What are the main factors that control heart rate?

A: Introduction:Carotid arteries carry blood from the heart to the brain. They branch off from the…

Q: What causes heart murmurs in diastole?

A: The circulatory system, in like manner called the cardiovascular structure or the vascular…

Q: What is the blood flow of the heart?

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: How is cardiac output calculated?

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: Where is located the primary heart pacemaker? What is its function? What is the normal heart rate…

A: The heart is the most important organ for the body and is made up of several different types of…

Q: What is known as cardiac output ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

Q: What drives heart rate?

A: The heartbeat is activated by electrical impulses that travel down a special pathway through the…

Q: What causes an increase in heart rate?

A: Heart rate/Heart pulse It is the speed of the heart beat measured by the number of pounding of the…

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: Where do the great vessels connect to the heart?

A: There are five great vessels that enter and exit from the heart, namely, the superior vena cava,…

Q: What does an ECG record?

A: The heart of humans has four chambers within it. These four chambers are the Left and Right atria…

Q: Is blood pressure the same throughout the circulatory system?

A: BASIC INFORMATION  HEART  It is a muscular organ  It is present in a space in between the lungs…

Q: What is Early Diastole?

A: Initially during the cardiac cycle there is relaxation of both the atria and ventricle and during…

Q: What does the heart release?

A: the heart is the main organ of the circulatory system that pumps throughout to maintain the flow of…

Q: What happens when Heart rate Increases?

A: The heart is a well defined that they are been stated to term a muscular organ that is part of the…

Q: Through which structures do the blood flow?

A: The circulatory system of the human body circulates the blood across the body. Blood is fluid…

Q: Where does the thoracic aorta begin?

A: The heart is the primary circulatory organ of the body that comprises cardiac muscle tissue. The…

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

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: How does blood composition differ in the right and left ventricle?

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: From what sources does blood flow into the upper and lower chambers of the heart? What are the…

A: Heart pumps blood through a system of blood vessels, called the circulatory system. The heart is a…

Q: What is diastole?

A: The pumping of blood in the body is a function performed by heart. Now, the pressure with which the…

Q: Why are changes in LVEDV important for left heart failure?

A: The circulatory system, additionally called the cardiovascular system or the vascular system, is an…

Q: What kind of catabolism occurs in the heart?

A: The heart pumps blood through a system of blood vessels, called the circulatory system. The heart…

Q: How many pulmonary arteries and veins attached to the heart? What is the function of the pulmonary…

A: Pulmonary circulation is the movement of blood from the heart to the lungs, and then from the lungs…

Q: How does the long plateau of the cardiac action potential develop and what is its functional role?

A: Hi, Thanks For Your Question.  Answer : A Transient Shift In Voltage (Membrane Potential) Across The…

Q: What is the name of the main vessel that moves blood out of the heart?

A: The heart is a huge muscular pump that is divided into two halves, one on the right & one on the…

Q: How are the two heart sounds produced during cardiac cycle? Which one of these is of longer…

A: The cycle that involves the end of one heartbeat and initiation of the second heartbeat is called…

Q: How does the heart rate differ before and after exercise?

A: Heart rate, also termed as the pulse rate, is the rate at which a person’s heart beats for one…

Q: What are the pathways of conduction through the heart?

A: The conduction system in the heart is basically a collection of nodes which can consist of nerve or…

Q: What is the role of one-way valves in the return of blood to the heart?

A: Most of our blood volume is carried in the veins. Veins are blood vessels that carry blood back from…

Q: What is venous heart in Scoliodon?

A: Scoliodon belongs to a genus of sharks of family Carcharinidae. It has elongated and spindle shaped…

Q: What are the main components of the venous system in the heart?

A: The venous system is composed of veins. The veins are the part of the vasculature long with…

Q: What innervates the pericardium?

A: The heart is the organ that pumps blood everywhere. This helps in the change of oxygen and carbon…

Q: How is Cardiac Index?

A: Cardiac index (CI) is the amount of blood pumped from the left ventricle per minute per unit body…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.