Which of the following does NOT empt O pulmonary vein O superior vena cava O inferior vena cava coronary sinus

Q: Venous valves are folds of the tunica externa. True or False

A: The flow of blood from the chambers of the heart to different parts of the body and from the…

Q: When the ventricles are no longer acting as a syncytium and can't pump blood, they are in ____.…

A: The conditions where the heart of a normal person is unable to function properly is called as heart…

Q: Which circulation is normally under lower pressure? systemic circulation pulmonary circulation

A: Pulmonary circulation consist of network of arteries, veins, and lymphatics that plays a role to…

Q: Where is blood pressure lowest? In the veins. In the arteries

A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering the first…

Q: The sternal angle marks the location of the: Bifurcation of the trachea Second costal cartilage O…

A: The sternal angle is a crucial clinical marker for locating numerous other anatomical locations.

Q: The systemic vein that runs adjacent and anti-parallel to the carotid artery is the vertebral…

A: A systemic vein is a type of blood vessel that carries deoxygenated blood from various tissues and…

Q: The blood vessel that delivers blood to the lungs is called O The inferior vena cava O The superior…

A: Cardiovascular System: The cardio refers to the heart and the vascular refers to the blood vessels.…

Q: Which of the following arteries do not constrict: Pulmonary Plantar Femoral Aorta Brachial

A: Circulation of blood is vital for the body to provide oxygen and nutrition; also, it removes…

Q: Which chamber(s) will be contracting right after this electrical event (in red) Q S

A: The cardiac cycle can be referred to as the human heart’s activity, which includes atrial…

Q: Which of the following features applies to the aorta? semilunar valves present along the length…

A: The aorta arises from the left ventricle. The heart has two atrium and two ventricles. The aorta is…

Q: The internal thoracic artery is frequently used as a coronarybypass vessel (a replacement artery for…

A: The blood vessel is a tube by which the blood circulates in the body. The internal thoracic artery…

Q: In supraventricular tachycardia, the rhythm may originate from any of the following, except SA Node…

A: Arrhythmias are irregular rhythms that do not obey the typical sequence of events. They are divided…

Q: As a result of the foramen ovale, blood is allowed to bypass the aorta. liver. lungs. kidneys.…

A: The foramen ovale is a special feature present in the fetus during the embryonic stages. It is a…

Q: Which of the following occurs during ventricular diastole? Blood returns to the heart Blood is…

A: We know that the Cardiac cycle is a repetitive cycle where a heart performs its functions. This…

Q: sinus is the largest located laterally and slightly inferior to nasal cavity Oa. Maxillary sinus Ob.…

A: Sinuses are also known as paranasal sinuses. These are air-filled extensions of the nasal cavity.…

Q: Which of these carries oxygen-poor blood?

A: Answer:  Oxygenated blood is the blood which carries enough amount of oxygen from the lungs to the…

Q: To get from the right atrium to the right ventricle, blood flows througha. the pulmonary valve.b.…

A: To get from the right atrium to the right ventricle, blood flows through the right AV valve or…

Q: The sinoatrial node is also called the A. PacemakerB. Action potentialC. Resting membrane potent

A: Heart is an important organ that pumps blood. Heart is myogenic in nature meaning it is capable of…

Q: Which of the following statements are true of the mitral valve? (Please note that you may pick more…

A: Mitral valve connects left atrium and left ventricle.During diastole this valve opens and the blood…

Q: The first heart sound is heard as the ECG records the end of the ______.   A P wave   B T-P…

A: An electrocardiogram (ECG or EKG) records the electrical signal from your heart to examine for…

Q: Capillaries contain only a tunica The other other 2 layers found in other vessels are absent. intima…

A: Capillaries are made up of only two layers of cells an inner layer of endothelial cells and an outer…

Q: In the fetus, the foramen ovale and ductus arteriosus are patent (open). They close after birth.…

A: The correct answer for first question should be to allow blood to bypass the lungs.

Q: The valve found between chambers A and B is the .. A B D

A: Heart is the most important organ of circulatory system. In humans, heart has two atria and two…

Q: Put the flow of blood through the heart in the right order starting with vena cava. Vena cava…

A: The circulatory system is responsible for transportation of circulatory fluid (blood) to the entire…

Q: You are a red blood cell in the thrid toe, place the following blood vessels in the order you would…

A: The venous system of the body carries deoxygenated blood from all over the body to the right atrium…

Q: Which of the following is not true of veins Group of answer choices have a thin tunica media have a…

A: Veins are blood vessels that carry blood towards the heart. Unlike arteries, which carry oxygen-rich…

Q: Blood vessels A

A: An important component of the circulatory system is found to be blood vessels. They perform the…

Q: The two _____ veins unite like an upsidedown Y to form the inferior vena cava

A: Veins are blood vessels that carry blood to the heart. Most of the veins carry deoxygenated blood…

Q: The right and left coronary arteries arise from where? Thoracic aorta, base of the aorta, superior…

A: CORONARY ARTERY - the coronary arteries are the arterial blood vessels of coronary circulation ,…

Q: The pulmonary trunk and pulmonary arteries are colored blue in all of the figures. Why are they…

A: In physiology, the pulmonary trunk is known as the main pulmonary artery which carries the arterial…

Q: You listen to the heart beating and you hear a "lub-swish- dup". The lub is caused by

A: Lub - Dup beats : These lub - dup beats are basically the heart valves closing sound. The beats are…

Q: Which of the following is found in the middle portion of the inferior mediastinum?

A: The human body is composed of various systems that aid in control, function, locomotion,…

Q: The great cardiac vein is the main tributary of the coronary sinus. With which artery does the great…

A: On the anterior (sternocostal) surface of the heart, there is a large blood vessel known as the…

Q: Please label the diagram with words

A: The diagram is showing the structure of the heart. The heart is a mesodermally derived organ, and it…

Q: In a patient with _______ some of the oxygenated blood returning to the left atrium would be pumped…

A: The blood enters the heart's right atrium from the body, where it moves to the right ventricle and…

Q: Which valves have chordae tendineae?     coronary valves     bicuspid (mitral) and tricuspid…

A: The chordae tendineae resemble slender tendons consisting of dense regular connective tissue…

Q: A person had a heart attack involving a large part of the ventricular heart muscle. Which of the…

A: The heart needs blood supply to meet it nutrition and oxygen supply which is fulfilled by two…