Following birtha. the ductus arteriosus closes.b. the pH of the stomach increases.c. the fossa ovalis becomes the foramen ovale.d. blood flow through the pulmonary arteries decreases.e. All of these events occur.

Q: called the ______ and at least one thicker-muscled chamber that squeezes blood out of the heart:…

A: Circulatory system Heart is made up of chambers which function to pump blood and act as temporary…

Q: The oxygen blood capacity in fetus at the end of pregnancy before birth increases first of all due…

A: We can say that Hemoglobin is a protein present in the RBC (red blood cells) and is responsible for…

Q: The major baroreceptor(s) used to regulate blood pressure is/are located in… Group of answer…

A: Baroreceptors sense the change in blood pressure and transmit information to the brain so that…

Q: 1. The imaginery, vertical plane that cuts through a cadaver, from side to side, at righ angles to…

A: Anatomical positions help in guiding and locating the important organs in the body. Therefore,…

Q: The carotid arteries are the major blood vessels that are in the neck and supply blood to the brain,…

A: Thick-walled blood vessels means arteries , carrier high-pressure, oxygenated blood from the heart…

Q: Branches of the internal iliac artery supply which of the following organs or regions? 1.  uterus…

A: The iliac crest provides the walls and viscera at the waist, buttocks, genitals, and the area of the…

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

A: Ascending aorta refers to the part of the aorta that begins at the upper region of the left…

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: All arteries in the body contain oxygen-rich blood, with theexception of thea. aorta. c. renal…

A: Answer is b.)  pulmonary arteries.

Q: Which of these statements about arteriovenous shunts in the skin is true?a. They divert blood to…

A: Cardiovascular system plays a vital role in the transport/supply of nutrients, gases and removal of…

Q: Which one of the following sentences is wrong? A Small arteries are called arterioles. B…

A: The network of circulatory system consists of blood, blood vessels and the heart. This entire…

Q: When the ventricular walls contract A.  the mitral valve opens, and the tricuspid valve closes. B.…

A: Introduction  Ventricles are the two lower chambers of the heart, located below the atria. The heart…

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: flow of blood through an artery

A: Blood circulation: Blood flow is a prominent role in the wellbeing of an organism. Blood gets…

Q: Which type of material is NOT transported by the blood? Select one: a. Blood gases b.…

A: The question is asking us to identify which of the listed substances is not typically transported by…

Q: True or false  Anemia can be due to having abnormal hemoglobin. EPO is secreted from the liver. EPO…

A: The hemocytoblast is formed within the red bone marrow that is considered as the precursor or…

Q: Which of the following statements is false?a. Only arteries carry oxygenated blood.b. Both arteries…

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

Q: Blood normally flows into a capillary bed from:- a. a distributing artery b. a conducting artery. c.…

A: The cardiovascular system is responsible for the conduction of oxygen and nutrients from the heart…

Q: When the oxygen capacity of the blood is reduced,a. the liver produces more bile.b. the kidneys…

A: The oxygen is needed to burn the fuel in our cells to produce energy. The human body is a highly…

Q: The two tubes that eventually fuse to form the heart arereferred to as the ________. a. primitive…

A: Gastrulation refers to the procedure by which cells of the blastula get recognized to produce the…

Q: A major advantage of a double circulation is thata. blood can be pumped to the upper portions of the…

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

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: Which individual is most likely to have the highest hematocrit level? a. a 10-year-old child b. a…

A: A normal range is considered to be: For men, 38.3 to 48.6 percent and for women, 35.5 to 44.9…

Q: The lateral umbilical fold serves as the demarcation for whether an inguinal hernia is direct or…

A: LATERAL UMBILICAL FOLD - the umbilical folds are series of five folds of parietal peritoneum on the…

Q: The rectal temperature, a core temperature, is considered to beone of the most accurate routes. In…

A: Humans are homeotherms, can maintain the internal body temperature at the same level despite the…

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: Fetal circulation and modifications after birth..(Name them)

A: The circulatory system, also known as the cardiovascular system or the vascular system is a system…

Q: The percentage of oxyhemoglobin in the systemic capillaries....   a. increases as pH decreases…

A: The binding of Oxygen with that of hemoglobin result in oxy-hemoglobin. The percentage of hemoglobin…

Q: As bicarbonate ions attach to erythrocytes, the balance between positively and negatively charged…

A: The Hamburger phenomenon is a process that happens in the circulatory system and pertains to the…

Q: When the blood  temperature increased then the amount of oxyhemoglobin ---------------- and oxygen…

A: The hemoglobin is present within the RBC that is responsible for binding oxygen and transport then…

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: Maria is 8 months pregnant. When she goes to her doctor for her checkup, the nurse takes her blood…

A: Pregnancy (gestation ) is defined as the time period where a new one or more offspring are developed…

Q: v. Test your knowledge of the flow of blood through the heart by placing the following cardiac…

A: Introduction:- To pump oxygen to other parts of the body. Pumping hormones and other important…

Q: Which of the following statements about erythropoietin is true a. It facilitates the proliferation…

A: The cardiovascular system consists of the heart and various blood vessels that help in the…

Q: Erythropoietina. is produced mainly by the heart.b. inhibits the production of red blood cells.c.…

A: Mature Red blood cells in the blood are responsible for transporting oxygen around the body. Red…

Q: KINDLY FILL IN THE MISSING FIELDS TO COMPLETE THE NORMAL CIRCULA OF BLOOD THROUGH THE HEART: THE…

A: The human circulatory system function like a network of highways that transports material around the…