The lungs area. part of the mediastinum.b. surrounded by the pericardial cavity.c. found within the thoracic cavity.d. separated from each other by the diaphragm.e. surrounded by mucous membranes

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: Coronary vessels - these supply the heart with a blood supply of its own. -They can be seen in the…

A: The heart contain valves which allow the flow of blood in only one direction and prevent the…

Q: The atria contract duringa. the first heart sound.b. the second heart sound.c. the QRS complex.d.…

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

Q: The ascending aorta and pulmonary trunk develop from the embryonic:- a. bulbus cordis only. b.…

A: Aorta is the largest artery that carries oxygenated blood from the heart to the different body…

Q: Which among the following is not used as a landmark for specific structures of the heart?   a 5th…

A: The heart is central to the cardiovascular system of the body. It has the size of your fist and is…

Q: The resistance to blood flow is greatest in thea. aorta. c. capillaries. e. veins.b. arterioles. d.…

A: Hemodynamics or haemodynamics are the dynamics of blood flow. The circulatory system is controlled…

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: The femoral vein returns blood directly to the inferior vena cava. external iliac. internal iliac.…

A: The femoral vein is the largest blood vessel in the thigh region. This vein is responsible for…

Q: Define atrium; pl. atria

A: The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor…

Q: The structure A is the v connected to the v. The structure B prings oxygenated blood from the lung…

A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Q: Which of the following structures is incorrectly paired with the type of blood it would be carrying?…

A: Circulatory system consists of blood vessels and the heart. The heart is the pumping organ. It pumps…

Q: about abdominal aorta and and it is branches: *         the inferior mesenteric artery arises below…

A: The abdominal aorta operates from the diaphragm and stops just above the pelvis, where it allocates…

Q: The pericardial cavity surrounds the heart, and the pleural cavities surround the lungs.

A: Pleura is the serous membrane that encloses pericardial cavity. It surrounds lungs and pericardium…

Q: from the: O inferior mesenteric artery superior mesenteric vein O inferior mesenteric vein O…

A: Duodenum is located between the stomach and the middle part of the small intestine, or jejunum. All…

Q: Which of the following structures in the circulatory system carries oxygenated blood? a pulmonary…

A: The circulatory system consists of heart, blood and blood vessels. Type of blood vessels which…

Q: The structures that supply the walls of blood vessels with blood area. venous shunts. d. vasa…

A: The five major categories of blood vessels are arteries, arterioles, venules, veins, and…

Q: In which of the following does a blood vessel burst, sending bloodinto the surrounding tissues, such…

A: A stroke happens when the blood supply to some portion of your mind is hindered or diminished,…

Q: Some venous blood from the upper limb drains through thea. cephalic vein.b. great saphenous vein.c.…

A: The blood circulates throughout the body as part of the systemic circulation. The aorta circulates…

Q: In humans, blood returning to the heart from the lungs returns toa. the right ventricle. d. the left…

A: In humans, the route of blood through the pulmonary circuit is as follows: Right ventricle -->…

Q: To get from the posterior tibial vein to the femoral vein, blood flows through:- a. the anterior…

A: Answer is b.) the popliteal vein.

Q: Given these blood vessels:(1) inferior mesenteric vein (3) hepatic portal vein(2) superior…

A: Inferior mesenteric vein drains blood from the large intestine. Superior mesenteric vein drains…

Q: The_________ carry blood toward the lungs. Select one: a. superior and inferior venae cavae b.…

A: The objective of the question is to identify the blood vessels that carry blood towards the lungs.

Q: select the applicable structures a.Pulmonary circulation b.Systemic circulation c.Carries…

A: The given image is labelled as follows;

Q: Erythropoietin is produced by a. the kidneys. b. the liver. c. the lungs. d. the bone marrow.

A: Erythropoietin is a small glycoprotein having a similar structure to growth hormone. Here we will…

Q: Muscles around the arterioles dictates where blood flows in the body…why is this useful?

A: Arteries are referred to as the blood vessels that function in carrying the oxygen-rich blood to the…

Q: Blood often flows into a capillary bed froma. the distributing arteries.b. the conducting…

A: Blood is a vital circulatory fluid in the cardiovascular system in the human body. Blood helps to…

Q: which blood vessel of the heart is responsible for distributing oxygenerated blood to the rest of…

A: Answer-  The Aorta is responsible foe distribute the oxygenated blood to all parts of the body.

Q: The major site for hematopoiesis or blood cell formation is found in cavities within the __________…

A: Haematopoiesis is the formation of blood cellular components.  Blood cell components are red blood…

Q: The two largest veins that empty into the right atrium are the _____ and _____

A: The body organs work systematically to regulate the proper body functioning. The different organ…

Q: What blood vessel enters the cranium to supply the brain with fresh, oxygenated blood?a. common…

A: The blood vessels are the vessels through which the blood is transmitted to various organs of our…

Q: A patient has been found to have a marked dilatation of the saphenous veins in the region of…

A: Veins are the blood vessels that carry deoxygenated blood back to the heart from the body. The…

Q: Given these blood vessels:(1) axillary artery (4) radial artery(2) brachial artery (5) subclavian…

A: Aorta is the largest artery of the body and arises from the left ventricle of the heart. Along with…

Q: Veins always contain unoxygenated blood and arteries always carry oxygenated blood. a. True b. False

A: Angiology is the branch of science that deals with the detailed study of blood vessels. The blood…

Q: A good example of a superficial vein in the upper extremity is the:     A. Brachial     B.…

A: A superficial vein is one that is close to the skin's surface and may be seen with the naked eye.…

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 papillary musclesa. are attached to chordae tendineae.b. are found in the atria.c. contract to…

A: The papillary muscles keep valves from inverting. (a) The papillary muscles have chordae tendineae…

Q: After birth, the umbilical vein becomes thea. medial umbilical ligament.b. ligamentum venosum.c.…

A: The umbilical vein is principally responsible for carrying the blood returning from the placenta to…

Q: This is used to facilitate the insertion of drainage devices into a venous structure

A: Embalming is the process of preservation of dead remains and bodies.    It involves injection of…