1.Where can we find the Circle of Willis in 10 mm pig embryo? What are the branches

Q: 38. The onset of Ventricular systole is associated with: A. the closing of the aortic valve B. the…

A: Heart is the pumping organ. It is responsible for pumping the blood to different parts of the body.

Q: Compare the origins of the external and internal iliac arteries of the fetal pig with those of the…

A: The circulatory system of pig is composed of a four chambered heart, which pumps blood from the…

Q: The endocardium of the heart is composed of THREE layers. Describe their structure and also explain…

A: The main organ of the circulatory system is the heart. It has four-chamber that is responsible for…

Q: 45. Which of the following is/are true concerning the opening and closing of thecardiac valves?   A.…

A: The valves of the heart maintain undirectional flow of the blood and prevent its regurgitation in…

Q: Which of the following is a true statement? (Check all that apply) A) A defect in the migration of…

A: A defect in the migration of cranial neural crest cells would impair the development of skull: TRUE:…

Q: 16. The onset of ventricular systole is characterized by the closing of the AVvalves and:   A. onset…

A: The cardiac cycle refers to the changes in the heart during the phase starting from one heartbeat to…

Q: In fetal circulation, blood from the placenta enters the vena cava by way of the Select one: a.…

A: Answer :-  Option d) ductus venosus (venous duct ) is correct Explanation - Oxygen and nutrients…

Q: Describe, in humans, what becomes of the six pairs of aortic arches typical of vertebrate embryos?

A: Introduction :- In the embryo aortic arches develop in association with each of the developing…

Q: Discuss the Cardio-Pulmonary Blood Circuit starting from left atrium. Name the chambers, valves, and…

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

Q: 13.The lumen of a vein is larger than the lumen of an artery of the same size. True or False?

A: We can say that The cardiovascular and or the circulatory system is made up of the heart and blood…

Q: 13. Blood flows faster in a venule than in a capillary because venules a. have one-way valves. b.…

A: We can say that The circulation of blood is governed by the cardiovascular system, which has two…

Q: 2. Based upon your inspection of the drawings (# 1), what is the difference in the pattern of…

A: Dear student, as you have not mentioned the question number to be answered, we are entitled to…

Q: 3) which of the following is the correct sequence of events during ventricular systole? 1- AV valves…

A: The human heart's activity from the start of one heartbeat to the start of the next is known as the…

Q: 1. Identify structure 2. Function of blood vessel 3. Function of chamber 2 1 3 4. Function of blood…

A: The heart is a muscular organ which functions to circulate oxygenated blood to various parts of the…

Q: What are the functions of the valves in the blood vessels? 2. Compare veins and arteries.

A: The hear and blood vessels compose the cardiovascular  system. The blood circulating  system…

Q: Some babies are born with a heart defect in which the ventricles are connected to the wrong…

A: The cardiovascular system is an organ system which distributes blood to all the parts of the body…

Q: 1. What blood vessels that serve and drain the kidneys?

A: The kidney can be outlined as the important organ of the human body that is principally accountable…

Q: Part II: Cellular senescence is observed when there is obstruction of the coronary circulation to…

A: Introduction- The heart is a major organ which supply blood to the whole body and the coronary…

Q: Define pericardial cavity and give its contents. 2. What is the pacemaker of the heart and give its…

A: The heart is an organ that lies in the middle mediastinum; it is surrounded by a fibro-serous sac…

Q: Conceptualize in Color Veins of the Head and Neck Identify and color the key veins of the head and…

A: The Head and neck region contains both arteries and veins blood vessels that transport oxygenated…

Q: Name the unpaired blood vessels that branch from the anterior aspect of the abdominal aorta 8. Name…

A: The blood from the heart is carried to the rest of the body via the main artery called the aorta.

Q: 1.Which region in drained by the superior vena cava    i. What is the use of the placental    ii.…

A: Step 1 The right atrium receives three large veins and a number of small veins. Superior vena cava…

Q: 14. What muscles attach to the chordae tendineae to hold the valves in place? 15. What are the flaps…

A: The muscular organ known as the heart is situated in the chest and leans slightly to the left. It…

Q: Features of hearts on the external aspect, dorsal surface. 3. Features on the internal aspect of…

A: Heart The heart is a organ made up of cardiac muscle and found in most of the animals. The main…

Q: 5. W hich structure is present in the right ventricle of the sheep's heart, but not in the left…

A: The question asks the structure located in the right ventricle but not in the left ventricle of the…

Q: 1) What makes the heart sounds? 2) Know the whole cycle/route that the blood takes from the heart…

A: The circulatory system is the system that is responsible for pumping blood that carries oxygen and…

Q: .. Whats blood vessel  2& 4?

A: As we know Blood vessels are conduits that distribute or supply blood throughout the body tissues of…

Q: 1.Pathways of Blood Flow: Name each major vessel and organ along the way Start Right popliteal vein…

A: Blood flows throughout the body to transfer the nutrients required for energy. Blood flows through…

Q: Age-related changes in the heart’s electrical conduction system such as fibrosis and loss of…

A: The term "electrical conduction system" describes the network of specific cells and tissues in the…

Q: The left fourth aortic arch vessel in an embryo becomes thea. left common carotid artery.b. left…

A: A series of embryological vascular structures which arise from the aortic sac and give rise to the…

Q: Major pumping organ of the cardiovascular system

A: Muscle fibers are a type of cell that can be found all over the body. The major function of this…

Q: 1. In the flow chart provided below, label the structures that lie along the path of blood flow in…

A: Pulmonary circulation is the movement of blood from the heart to the lungs. It delivers deoxygenated…

Q: 3) Intravenously injection of calcium chloride solution caused the animal's heart to stop. Explain…

A: Introduction  Cardiac arrest is a medical emergency where the heart suddenly stops beating or beats…

Q: 15. Name the parts of the aorta?

A: We can say that The circulatory system involves the circulation and purification of blood to and…

Q: 1. Discuss the major sources of blood supply to the heart and their clinical applications. 2.…

A: Approach to Solving the Question: 1. For each part of the question, I will first identify the key…

Q: The onset of Ventricular diastole is associated with: A. the closing of the aortic valve B. the…

A: Human heart is composed of two auricles (atria) and two ventricles. Cardiac cycle consists of…

Q: . What is the large peripheral blood vessel into which extra-embryonic blood vessels open?

A: Extra embryonic blood vessel develop in the 3rd week of fetal life by the process of angiogenesis…

Q: 5 difference between artery and vein.

A: Blood vessels are involved in transporting blood throughout the body. The three major blood vessels…