Why does bloodflow decrease significantly at the capillaries?

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: How does the pressure change in arterioles, capillaries, and veins? Why?

A: When blood travels through the blood vessel then there occurs a force on the walls of the vessel.…

Q: What happens to the fluid that passes into the interstitial area and collects in veins?

A: The intestine is a part of the digestive system. The primary function of the intestine is the…

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: Which blood vessels deliver blood to the right and left atria?

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

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: How does a change in vessel diameter affect peripheral resistance?

A: Blood vessels can be defined as the channels or the behavior through which blood is distributed to…

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 is the structure of the arterioles?

A: Arterioles are primary resistant vessels and involved in the distribution of blood flow into…

Q: What is the Normal anatomy of major body system effected in varicose veins?

A: Major body system which gets affected in varicose veins is the vascular system (especially veins )

Q: Explain the major function of the veins?

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

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: How do hydrostatic and osmotic pressures determine fluid movement across the walls of capillaries?

A: Capillaries exchange is the exchange of material from the blood into the tissues in the capillaries.…

Q: What is a a bulge in the arterial wall called?

A: Ans. A bulging, weak region in the blood vessel wall is called an aneurysm. It can occur in any…

Q: What is the major function of the arteries?

A: Arteries are a type of blood vessel. Blood vessels help to carry blood from one place to another in…

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

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

Q: Why are the tendinous cords required for the proper functioning of the AV valves?

A: The heart is a muscular organ of the cardiovascular system that functions to pump the blood to the…

Q: Explain why empty veins collapse while empty arteries do not.

A: The arteries are blood vessels carrying oxygen-rich blood to every region of the body. The veins are…

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: What are the main functions of the capillaries?

A: Capillaries are the tiniest blood vessels in our body. They are smaller than the arteries and the…

Q: Explain why the distal ends of the arterial and capillary systems are branched?

A: Arteries and capillaries are the blood vessels of the circulatory system.

Q: What happens to (systemic) blood pressure when the smooth muscles in the muscular arteries become…

A: Disclaimer: Since two questions have been posted, we have offered the solution for the first one. If…

Q: How is the structure of an arteriole different from that of an artery?

A: The heart is a muscular organ the size of a fist that is found just behind and just to the left of…

Q: What are the relative velocities of flow through the various vessel types of the systemic…

A: Systemic circulation carries pure/oxygenated blood from the left ventricle (through the arteries) to…

Q: What does the normal diastolic pressure is about?

A: Heart is the muscular organ, whose chief function is to pump and circulate oxygenated blood that…

Q: which has larger lumen (opening for blood flow):an artery, or a vein?

A: There are three blood vessels in our body. Arteries- They carry oxygenated blood away from the body.…

Q: What is the force driving venous return?

A: * Veins are blood vessels which return blood to the heart. * The pressure in these veins is the…

Q: How does blood pressure compare with the interstitial fluid pressure in arterial capillaries? With…

A: Venous Capillaries : It is one of the minute that convey blood from a capillary network into the…

Q: Assuming a patient is presented with an 18% decrease in blood flow rate through a given portion of…

A: Blood flow self-regulation is a fantastic phenomenon that regulates blood supply and demand for…

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: What organs do the gonadal veins drain?

A: Circulatory system consists of blood vessels that carry blood away from the heart and to the heart.…

Q: List the Regional Differences in Capillary Pressure?

A: Capillary pressure is the pressure difference existing across the interface separating two…

Q: viscosity of the fluid affect the capillary height?

A: Viscosity is the resistance for fluidity of liquid. Hence it also affects the capillary height.…

Q: What is the function of the arterioles?

A: Small blood vessels that branches off from the artery are called arterioles. These arteries carry…

Q: What is the proximal saphenous vein sutured to during CABG?

A: Coronary artery bypass grafting (CABG) is a  surgery that helps in improving blood flow to the…

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: What is the function of the coronary sinus?

A: Blood that has been exposed to oxygen in the lungs is said to be oxygenated blood. Blood that has a…

Q: what do the three types of capillaries allow to pass through?

A: Capillaries are type of blood vessels present in human body. They are the smallest among all and…

Q: What is vasomotion? What is autoregulation of local bloodflow?

A: Answer: Introduction: Vasomotion controls liquid and nutrient exchange amongst the vascular system…

Q: How does blood pressure in the pulmonary circulation compare to the pressure in the systemic…

A: The pulmonary circulation is a relatively low-pressure system as compared to systematic circulation…

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

A: Introduction: The largest artery present in human body is the aorta which starts from the top of the…