What is the significance of the difference in thickness between the wall of the aorta and the wall of thepulmonary trunk?

Q: What is the role of the coronary arteries?

A: The heart is an organ that can pump blood to the different parts of the body through different blood…

Q: 1.1 Compare the diameter and wall thickness of the superior vena cava and the aorta. Which is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: Where is the right coronary artery located? What are its main branches, and what do they supply?

A: CORONARY ARTERY:                Coronary arteries depicts the blood vessels that surrounds and…

Q: What is the functional significance of the difference in thickness between the wall of the aorta and…

A: The aorta is the main artery which carries blood away from heart to the rest of  body.  The…

Q: what is the function of the many coverings of the heart and the three layers of the heart itself?

A: The heart is a hollow muscular organ which is involved in pumping the blood through the circulatory…

Q: Between which times is the valve between the atrium and the ventricle closed?

A: The cardiac cycle consists of a Systole and a Diastole of atria and ventricles Each Cardiac cycle…

Q: What is the function of elastic fibers and smooth muscle in the tunica media of arteries?

A: Vascular smooth muscle cells (VSMCs) are physiological and therefore the most various part of the…

Q: Compare the structure of the left atrioventricular valve with that of the aortic valve.

A: Human heart has four chambers. It is a muscular organ whose shape is like a person’s closed fist The…

Q: Why would venous valves be unnecessary in the jugular veins of the neck?

A: Veins The veins carry oxygen depleted blood from different body parts to the heart. The veins are…

Q: What are the physical and physiological differences between an artery and a vein?

A: Artery- The blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.…

Q: Describe the differences between a continuous capillary, a fenestrated capillary, and a sinusoid.

A: Continuous capillaries are so called because the endothelial cells provide an uninterrupted lining…

Q: Why less pressure is lost overcoming resistance between the arteries and the capillaries?

A: The oxygenated blood pumped by the left ventricle have a certain amount of pressure in it which…

Q: What arteries play the leading roles in supplying bloodto the brain?

A: The central nervous system, similar to any arrangement of the body, requires consistent oxygenation…

Q: What roles do the chordae tendineae and papillary muscles have in the normal function of the AV…

A: The heart is the muscular organs of the cardiovascular system.

Q: Why is the left side of the heart larger than the right?

A: The right side of the heart is designed to pump the blood into the lungs and then to receive oxygen.…

Q: What is the largest vein that drains the coronary circulation called, and where is it located?

A: Veins are blood vessels of the heart that helps to carry blood towards the heart. They transports…

Q: What are the two main functions of the arteries?

A: Arteries are the vessels present in the body of humans. It is surrounded by smooth muscle tissues…

Q: What is the sequencial order of arteries to smaller parts?

A: The circulatory system is a network consisting of blood, blood vessels, and the heart, this system…

Q: Which vein returns blood from the abdominopelvic viscera to the heart?

A: The cardiovascular system is composed of the heart, blood, and blood vessels. The heart pumps blood…

Q: How would “hardening of the arteries” (arteriosclerosis) affect blood pressure? Why?

A: Introduction: Atherosclerosis and arteriosclerosis are often used interchangeably. They both refer…

Q: List the three major veins that return blood from the thoraxto the superior vena cava.

A: The heart received blood from various parts of the body and carries deoxygenated blood into the…

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: Describe the aorta, and name its principal branches.

A: The aorta is the largest artery and largest blood vessel in the body. It extends upward from 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: What are the principal heart valves, and what is the function of each?

A: Human heart is a organ which is part of circulatory system and is situated in the space of thoracic…

Q: True or false the veins carry blood from the heart to the rest of the body?

A:

Q: Explain why water and dissolved substances leave the arteriolar end of a capillary and enter the…

A: The blood vessels are part of the circulatory system. It forms a closed circuit of tubes that carry…

Q: What forces drive the venous return to the heart?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: How fast is the number of Americans who are expected to be over 100years old growing? What is the…

A: Aortic valve repair and replacement are procedures to address diseases affecting the aortic valve.…

Q: What are five histological features of sinusoidal capillaries?

A: Sinusoidal capillaries are also known as discontinuous capillaries. Such capillaries have open-pore…

Q: Name the branches of the thoracic and abdominal aorta.

A: The thoracic aorta can be defined as the type of aorta present in the chest. The thoracic aorta…

Q: Why are the left and right coronary vessels considered the major coronary vessels?

A: The coronary vessels are the blood vessels which are responsible for supplying blood to the heart.

Q: How does the structure of the capillary wall relate to its function

A: Capillaries are the littlest veins in the body, associating the littlest arteries to the littlest…

Q: How does the blood in the pulmocutaneous arch differ from that in the higher two aortic arches?

A: The circulatory system of amphibians includes pulmocutaneous circulation. It is in charge of…

Q: Is there similar pattern between the carotid and iliac arteries?

A: Yes, carotid and iliac arteries has similarities in their pattern both are the arteries which supply…

Q: What type of blood vessel takes the blood to the heart:artery, capilllary, or vein?

A: The cardiovascular system or blood circulatory system involves in the supply of nutrients and oxygen…

Q: Describe the function of the areas of the heart usuallysupplied by the left coronary artery.

A: Like any other muscles heart muscle needs its own supply of blood because it needs oxygen and other…

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 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 is the functional significance of the difference in thickness of the ventricular walls?

A: The ventricle is one of the two large chambers towards the bottom of the heart that collects and…

Q: What is the significance of the difference in thickness of the ventricular walls?

A: The ventricle is one of the two large chambers towards the bottom of the heart that collects and…

Q: What is the function of Coronary arteries ?

A: Coronary arteries are a type of artery which spreads around the entire heart like a network of blood…

Q: Where are the aortic and pulmonic valves in relationship to eachother?

A: Introduction  Valves of the heart: Hearts have two pairs of valves which helps heart in back flow of…

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.