Which statement is true? A. All arteries carry oxygen-rich blood. B. All veins carry oxygen-rich blood. C. All arteries except the pulmonary artery carry oxygen-rich blood. O D. All veins except the pulmonary vein carry oxygen-rich blood.

Q: The diagram below shows the pathway of blood throughout the body. Which structure represents the…

A: In circulatory system there are two circulatory routes- systemic circulation and pulmonary…

Q: Scenario: You and your two other friends were hiking and along the trail, you saw a man who is…

A: Unconscious refers complex mental activities in which the person is not aware about his surrounding…

Q: Describe the differences noticed in the structures of the arterial and venous walls. Mention each of…

A: Blood vessels are the components of the circulatory system, which are essential for transporting…

Q: Which is the main structural feature that distinguishes elastic arteries from muscular arteries?…

A: Elastic arteries have a significantly higher quantity of elastic fibres in tunica media than…

Q: Which of these organs is able to tolerate the greatest reduction in blood flow? a. Brain b. Heart…

A: Blood flows in the body consists of the red blood cells, which contain haemoglobin. The haemoglobin…

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 of the following statements is true?a. The left and right common carotid arteries bothbranch…

A: Arteries and veins are the two essential components of the circulatory system. Arteries carry…

Q: How is the blood in the pulmonary artery and pulmonary veins different from the blood in the other…

A: The pulmonary artery and pulmonary veins are the main pathways for the transportation of blood…

Q: Which statement accurately explains why arterial walls are thicker than the walls of veins?   A.…

A: The circulatory system consists of three systems that work together; the heart (cardiovascular),…

Q: In a person at rest, the largest volume of blood is in______. a. arteries c. veins b. capillaries d.…

A: The blood is circulated throughout the body parts by the circulatory system whose main parts include…

Q: How do arteries differ from veins?a. Arteries have thicker wall layers to accommodate the changes in…

A: The heart is the most important organ for the body and made up of several different types of tissues…

Q: Predict the significance of slow blood flow in the capillaries

A: The blood vessels are characterized by the presence of a single endothelial layer, diameter 5 to 10…

Q: The two arteries formed by the division of the brachioce- phalic trunk are the (a) aorta and…

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

Q: Blood pressure is highest in the_____ and lowest in the_____ . a. arteries; veins c. veins; arteries…

A: The pressure given by blood which is circulating through the blood vessels on the inner walls of…

Q: Answer each question with a type of blood vessel: [1] artery; [2] vein; [3] capillary. (a) Which…

A: The branch of science which deals with the study of blood vessels are known as angiology. The blood…

Q: The diameter of veins is typically larger than that of arteries,becausea. veins must carry blood at…

A: Open and Closed circulatory systems are the two types of circulatory systems in our body. This…

Q: Thoracic Blood Vessels of the Fetal Pig Can you xxplain the structures/ or organs that each blood…

A: Like humans, pigs also belongs to mammals and have four-chambered heart located in the thoracic…

Q: ____ carry blood away from the heart and ____ carry blood toward the heart. a. Veins . . . arteries…

A: Step 1 Blood vessels are tubes carrying blood, associated oxygen, nutrients, water, as well as…

Q: A blood vessel adapted to withstand great fluctuations in blood pressure would be expected to have:-…

A: Blood vessels refer to the network of arteries, veins, capillaries that helps in the circulation of…

Q: Arteries of the pulmonary circuit differ from those of the systemic circuit in that they carry, (a)…

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: Blood flows directly from the left atrium to_____ . a. the aorta c. the right atrium b. the left…

A: The heart has four chambers in human beings. They are the two upper atria and two lower ventricles.…

Q: The unpaired arteries supplying blood to the visceral organs include the (a) adrenal, renal, and…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: Which statement best describes a characteristic of ALL arteries? Select one: O a. Arteries lead…

A: Introduction Blood vessels are tubes that transport blood throughout the body. They form a…

Q: Fill in the blank:  Precapillary _______________________ are composed of smooth muscles that…

A: Muscle is a soft tissue in the body which primarily functions as source of power. Muscles cells…

Q: Veins and arteries catty blood. Which of these carry blood?a) Away from the heart?b) Back to the…

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: Contrast the function of capillaries in the skin with thefunction of capillaries in muscle tissue.

A: The capillaries that are located in the skin are responsible for thermoregulation. They control how…

Q: This blood vessel allows diffusion of gases between blood and body tissues. O A. Artery O B. vein O…

A: The cells in the body requires nutrients oxygen and other necessities for its metabolic activities…

Q: This blood vessel carries blood away from the heart. O A. Artery O B. vein O C. venule O D.…

A: Blood circulate throughout your body with the help of certain vessels known as blood vessels.  Thus…

Q: How would the changes you described in pulmonary circulation then affect blood pressure in the…

A: The cardiovascular system or blood circulatory system delivers nutrients and oxygen to all the cells…

Q: Select the correct one, Which of the following would not increase Cardiac Output? A. increase blood…

A: We know that, The amount of blood pumped by the ventricles in 1 minute is measured in terms of…

Q: he inferior vena cava brings blood from the lower regions of the body and empties into the…

A: the inferior vena cava is the largest vein and it carries deoxygenated blood from the lower body…

Q: The flow of blood from the left ventricle to the right atrium is called the __________.   A…

A: The organ that is responsible for mediating the function of pumping blood via the vessels of blood…

Q: Do arteries always carry highly oxygenated blood? Explain your answer.

A: Answer.  Arteries are thick and have an elastic layer that allows them to stretch and absorb…

Q: If a patient has cirrhosis of the liver and is unable to produce sufficient albumin and other plasma…

A: Alcohol abuse, viral hepatitis, accumulation of fat in the liver, buildup of iron, cystic fibrosis,…

Q: The _____ empties into the axillary artery.   A brachial artery   B subclavian vein   C…

A: axillary artery: a continuum of the subclavian artery in the axillary area that branches into…

Q: The advantage of having a heart with two atria is that a) oxygenated and deoxygenated blood are…

A: The human heart has 4 chambers :  Left atrium Right atrium Left ventricle Right ventricle The…

Q: What do the vessels that are carrying oxygen-poor blood back to the heart have that stops blood from…

A: The circulatory system of the body is the transport system of the body. The main function of this…

Q: An increase in mean blood pressure may be due to? a) an increase in heart rate b) an increase in…

A: During blood flow, blood exerts a force on the blood-carrying vessels. We know the pressure is the…

Q: Velocity of blood flow is the slowest in a. muscular arteries. b. capillaries. c. veins. d. elastic…

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

Q: Explain why blood vessels deteriorate and why this deterioration is important.

A: Deterioration if blood vessel means Abnormal aging of blood vessels (atherosclerosis).…

Q: (a) Name the type of blood vessel labelled (i) C. (ii) D. (b) In which direction does blood in…

A: Lungs are essential parts of the respiratory system. A pair of lungs in humans are formed in such a…

Q: Why is the bilood pressure important during sleep? a. When blood pressure increases, it is not felt…

A: Blood pressure is the quantity of force subjected to the inner membranes of the vessels by the blood…

Q: Double-loop circulatory systems are found in adult amphibians, reptiles, birds, and mammals.…

A: The double-circulatory system passes the blood twice through the heart, per circuit. The…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.