upper chambers

Q: Which of the following is unique to cardiac musclecells?a. Only cardiac muscle contains a…

A: The cardiac muscles show the characteristics of both smooth and striated muscles. The cells of…

Q: Some babies, called “blue babies,” are born with a small hole in the wall between their heart’s left…

A: The cardiovascular system of the human body is made up of heart, blood, and blood vessels that help…

Q: The SA node of the heart creates a pace that is faster than does not generate a pace O the same as O…

A: What is the SA node - The SA (sinoatrial) node, also known as the sinus node, represents a…

Q: The lower chambers of the heart are the: A) aortasB) capillariesC) ventriclesD) atriums

A: The organ system is the group of organs that functions together to maintain the biological system of…

Q: The vessels that carry oxygen to the myocardium are called __________.   A pulmonary arteries   B…

A: Blood is the body fluid that flows in tube-like structures known as vessels and functions in the…

Q: anatomy:  write summary about hte external structures of the heart

A: The heart is a hollow muscular organ, which pumps the blood through the circulatory system by…

Q: This vessel carries oxygenated blood into the heart. O pulmonary artery O pulmonary vein vena cava O…

A: Aorta carries oxygenated blood to the body. Pulmonary artery carries deoxygenated blood from right…

Q: The heart chamber that receives oxygenated blood from the lungs of animals with a double circulation…

A: Human heart is the Center for regulating blood across the body. It is located within the thoracic…

Q: The human heart is A) Neurogenic heart B) Myogenic heart O C) Pulsating heart D) Ampullary heart

A: Introduction:- The human heart is an organ that pumps blood through the circulatory system's veins,…

Q: Dh no! TA Tim accidentally wandered into a surgical ward and was put in charge of doing another…

A: This is a rare medical condition also when the heart is placed backwards or face towards the right…

Q: These carry blood from the lungs to the heart: A) Bronchial TubesB) Pulmonary ArteryC) Pulmonary…

A: The cardiovascular system is also called a vascular system. The cardiovascular system consists of…

Q: The heart is made up of___________  chambers each that serve a specific purpose.  The ______________…

A: Heart is a organ that pumps blood. It supplies oxygens to all organs of body.

Q: What chamber of the heart does blood leave as it goes to the lungs? O left atrium right ventricle O…

A: Answer:  BLOOD is the connective tissue present in our body composed of plasma, formed elements.…

Q: What does the circled structure do?

A: Heart Mesodermally derived organ, is situated in the thoracic cavity between the lungs, slightly…

Q: How many chambered heart does animals like amphibians and reptiles have?

A: Heart Heart is a blood pumping organ of vertebrate animals. The circulation of fluid into the body…

Q: Vessels that carry blood away from the heart are called * O Vein O Artery O Vapillary

A: The heart is a muscular organ the size of a fist that is found just behind and just to the left of…

Q: The heart layer the lines the chambers is called the ___.

A: Question- The heart layer the lines the chambers is called the ___.

Q: The pulmonary circuit involves blood flow from the heart to and from the: O lungs body liver O brain

A: INTRODUCTION:-  The system which helps in transportation of blood from one part of…

Q: What are the layers that make up the heart? Give the kind of tissue, it's location and function.

A: The cardiovascular system can be defined as the type of organ system which helps in circulation of…

Q: Atria are the ___ chambers of the heart

A: The heart is a hollow muscular organ that pumps the blood through the circulatory system by rhythmic…

Q: benefits of 1 vs 2 loop circulation system, benefits of 4 chambered vs 3 vs 2 chambered heart

A: One loop circulatory system has only obe circuit . In Single circuit circulation blood flows…

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: The upper chambers of the heart are the: A) capillariesB) atriumsC) aortasD) ventricles

A: The organ system is the group of organs that functions together to maintain the biological system of…

Q: Feeding the heart with oxygen, the heart gets blood from the to the arteries. O Aortic arch/coronary…

A: The heart is a strong organ about the size of a fist, found simply behind and marginally left of the…

Q: Identify the bundle of His O under the left ventricles O between the right and left ventricles of…

A: "The bundle of His" is an important part of the electrical conduction system of the heart. It…

Q: Fill in the blank:  The period during which a heart chamber is relaxing is called…

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: Which heart do you think is most efficient at delivering oxygen rich blood to the tissues? O 3…

A: Introduction : The arteries, veins, and capillaries are all tubular blood vessels that branch off…

Q: Which one of the following blood vessels contains only deoxygenated blood?a) pulmonary veinb)…

A: The blood vessels are the components of the circulatory system that transports blood throughout the…

Q: Which primitive area of the heart will give rise to theright ventricle?a. bulbus cordisb. primitive…

A: Heart is a hollow muscular organ. It pumps blood through the blood vessels of circulatory system.…

Q: Which component of the heart conduction systemwould have the slowest rate of firing?a.…

A: Step 1 A cardiac conduction system is an array of functional and specialized cardiac muscle cells,…

Q: Upon your return to the heart, you have that rare and wonderful chance every Adventurer and Hobbit…

A: The heart is the major pumping muscular organ of the circulatory system. It helps in pumping…

Q: What is the function of the valves in the heart? promote contraction of the ventricles O prevent…

A: Heart:  It is located in the chest cavity. It is protected by the layer called pericardium. The…

Q: Which of the following statements about the cardiovascular system is TRUE? (select multiple) o The…

A: Question - Which of the following statements about the cardiovascular system is TRUE? (select…

Q: Describe the different Heart sounds and what happens to each valve(s) during these heart sounds.

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

Q: Vhen dissecting a specimen, Carl Justin noticed that the arteries were thicker and more elastic than…

A: The tube like structures involved in the circulatory system, through which blood flows to the…

Q: Why would a fourth chamber heart be evolutionarily advantageous to an animal?

A: Introduction:-  Birds and mammals, on the other hand, have a four-chambered heart with a fully…

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: From which chamber of the heart does blood leave to go to the body: O Left atrium O Both left…

A: Please follow step 2 for detailed explanation.

Q: During the cardiac cycle, when would you expect to hear the second heart sound? O a) After ejection…

A: The timeframe that starts with compression of the atria and closures with ventricular unwinding is…

Q: 3. Which side of the heart pumps oxygenated blood to the body a. Left side b. Right side

A: The heart is the organ which pumps the blood to the body. The heart is the link between the lungs…

Q: Where does the heart come from? Does it form the same way in both insects and vertebrates?

A: Introduction  During gastrulation cells organize themselves in the layers. Cells shows migration and…

Q: Blood enters into the heart because of muscles of ventricles contract O ventricles relax atria…

A: The cardiovascular system is often known as the blood-vascular system or simply the circulatory…

Q: The right side of the heart pumps the blood the heart the lungs. to, from from, to O to, to O from,…

A: The heart is a solid muscular organ about the size of a clench hand, found simply behind and…

Q: Compare the structural features of the different chambers and valves of the heart and how this…

A: The human heart is a four-chambered muscular organ with two-thirds of its mass to the left of…

Q: O the shutting of the heart valves

A: Option C . The shutting of heart valves

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…

Q: The first heart sound (S1) is caused by: O The aortic and pulmonary valves closing as ventricular…

A: heart is the organ which helps in pumping blood to all parts of the body .it produce sounds which is…

Q: Oxygen and Carbon Dioxide are exchanged from the blood to cells here: A) ArteriesB) PlateletsC)…

A: Oxygen is used by cells for the process of cellular respiration while carbon dioxide is produced as…

Q: Do fishes present an openor closed circulatory system?How many chambers does afish heart have? How…

A: Introduction: Fish belongs to  Pisces class of Phylum Chordata. It has a skin with scales covering…