The upper chambers of the heart that receive blood are called ___.

Q: Which part of the heart is responsible for initiating and maintainingthe rhythmic activity of the…

A: The heart is a muscular organ that pumps blood throughout the body. It is located in the middle…

Q: The external ear-like flaps that are visible on the top of the heart are called ___

A: The main organ of the human circulatory system is the heart. It helps in pumping blood to different…

Q: In the sheep's heart, the right atrium is _______ to the right ventricle.

A: Heart.  It is a muscular organ that pump the blood to different part of the body.

Q: The heart has three layers the outermost of which is called the ___

A: The heart has three layers known as 1) Epicardium -Outermost layer 2) Endocardium - Innermost layer…

Q: The ____________ nerves innervate the heart and tend to reduce the heart rate.

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

Q: What causes the heart sound LUBB and DUP.

A: Heart is a muscular organ which serves to pump the blood. Mammalian heart has two atria and two…

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: What is the largest artery in the heart? (where blood leaves the heart) A) Pulmonary VeinB)…

A: An artery is a blood vessel that carries blood way from the heart to the other parts of the body.…

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: Diagram of the heart and its functions.

A: The mammalian heart is a complex structure divided into four different chambers, namely the left…

Q: Explain the origins of heart sounds.

A: Introduction  Valves of the heart: Hearts have two pairs of valves which helps heart in back flow of…

Q: se this labelled diagram of a human heart & major blood vessels to answer these iestions. Which…

A: The heart is a muscular organ involved in the pumping of blood to various organs of the body. The…

Q: List the major components of the human heart, includingthe four chambers and four valves.

A: Heart is an essential ,powerful organ that constantly pumps Oxygen and nutrients around the body .…

Q: Most blood flowing in all of the following arteries except the _____ is destined to circulate…

A: The fluids that are produced in the body and either circulated within the body or secreted out are…

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: The lower chambers of the heart that contract to push blood out of the heart are called ___.

A: Heart is a muscular organ that pumps blood throughout the body.

Q: art pumps oxygenate

A: The heart can be defined as the muscular organ present in most of the animals which are responsible…

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: Describe the fl ow of blood through the human heart.

A: Human heart consists of four chambers two upper Chambers are called right and left Atrium and two…

Q: What activities of heart are controlled by sympathetic system and parasympathetic system.

A: The heart is a muscular organ that is divided into four chambers: Left auricle, right auricle, left…

Q: An animal has a pulse that must be triggered by the brain. What type of pulse does this animal have?

A: A brain is an organ that is a part of the nervous system that fills in as the focal point of the…

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: the upper chambers (rooms) pf the heart are known as

A: The heart is the vital organ of the body, located in the middle and front of the chest and slightly…

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: Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?   A.…

A: The human circulatory system consists of three main parts: lungs, heart, and blood vessels including…

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: Fill in the blank:  The second sound of a cardiac cycle occurs when the _______________________ are…

A: Cardiac cycle represents the process of human heartbeat from ending of one heartbeat to the starting…

Q: Why is it so important for the human heart to developearly and begin functioning within the…

A: The first organ to develop during embryogenesis is the heart.

Q: The main pacemaker area of the heart is the: O Bundle branches O AV node SA node Purkinje fibers

A: Given: The heart is a muscular organ which is as big as our fist.It is located between the lungs in…

Q: During contraction of heart, what prevents backflow of blood?a) Thin walls of atriab) Thick muscular…

A: The heart is the muscular organ of the circulatory system of the vertebrates. The apes and mammals,…

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: 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: 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: 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: The structures in the heart which assure the proper direction of blood flow through that organ are…

A: In the heart there are 4 chamber . 2 upper chamber called right and left atrium. and 2 low chamber…

Q: Why is SA node called pace-maker of the heart?

A: Circulatory system consists of blood vessels that carry blood away from the heart and to the heart.…

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

A: In most animals, the heart is a muscular organ which pumps blood via the circulatory system…

Q: Diagram of a heart showing all chambers and valves. And describe how the blood flows through them

A: Working :- Receiving deoxygenated blood and carrying metabolic waste products from the blood and…

Q: The conduction system of the heart: 1. SA node 2. AV node 3. 4. __ 5. -

A: The heartbeat is controlled by a set of nodes, cells, and impulses known as the cardiac conduction…

Q: - Discuss the flow of blood in a human body. Use the left ventricle as a starting point and ensure…

A: The heart is a fist-sized organ that is responsible for pumping blood throughout your body. It's…

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: The diagram shows a human heart and some of its major blood vessels. Blockage of which labelled part…

A: Coronary heart disease or atherosclerosis happens when the major arteries of the heart get damaged.…

Q: upper chambers

A: Answer: The two upper chambers of the heart are called the atria. They are the chambers that fill…

Q: O the shutting of the heart valves

A: Option C . The shutting of heart valves