Three-chambered hearts with incomplete septa wereonce viewed as being less adapted to circulatory functionthan mammalian hearts. What advantage of such heartsdid this viewpoint overlook?

Q: In the evolution of circulatory systems, how is a 4-chambered heart advantageous compared to a…

A: Heart is the pumping organ is the organism. It is responsible for ouning the blood to all body…

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: Why is closed circulatory system considered advantageous?

A: A circulatory system can be defined as a network of arteries, veins, and capillaries that originate…

Q: explain why even large flatworms from centimeters to meters long can do just fine without the…

A: Flatworms belong to the phylum Platyhelminthes bearing the characteristics of being acoelomate,…

Q: Assume your heart rate is 70 beats per minute (bpm), and eachminute your heart pumps 5.25 l of blood…

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

Q: Describe the common features that determine whysome invertebrates, such as sponges, cnidarians,…

A: The circulatory system carries oxygen, nutrient, and all over cells.

Q: In comparing the bird circulatory system to the mammal circulatory system, the bird system has O All…

A: All the choices are correct.

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: What is another name for the circulatory system? What is the function of this system?

A: The human body contains many organ systems. These systems perform different functions such as…

Q: Fish, like all invertebrates have a single circulatory systems circulatory a) explain why single…

A: Single circulatory system : It occurs in fish . In this system blood travels from heart to gills ,…

Q: The sac that provides a fluid-filled cushion for the heart is composed of (z) an inner visceral…

A: The conical sac of fibrous tissue, which surrounds the heart and the roots of the great blood…

Q: Explain how two- and three-chambered vertebrate heartswork and in which animal groups each is found.

A: The circulatory system was evolved in animals to transport the gases and nutrients in the blood. The…

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: 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: Which one of these would you expect to be part of a closed, butnot an open, circulatory system?a.…

A: The ostia are a segment of the open circulatory framework as found in life structures like…

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: Can humans live if they have 3 chambered hearts?

A: The heart is a muscular organ shaped like a fist, located at the back and slightly left of the…

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: UACYL .com/forms/d/e/1FAIpQLSfIHzragocEFvvDxW Which of the following best describes the flow of…

A: oxygenated blood -  pulmonary vein - left atrium - left  ventricle - aorta     thrombocytes or…

Q: Animals with open circulatory systems utilize a fluid called_______ that serves the function of both…

A: (a) Hemolymph (b) Interstitial Fluid (c) Hemocoel

Q: What accounts for the physiological differences in the animal hearts?

A: The hollow mascular rhythmic organ of circulatory system which receives and palms blood to maintain…

Q: Describe the structure of the heart of a mammal

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

Q: The mammalian circulatory system includes a four- chambered heart and a double-loop circulation. How…

A: The circulatory system, also known as the cardiovascular or vascular system, is an organ system that…

Q: circulation in fish, amphibians and mammals. an explanation of what type of circulatory system…

A: Introduction Circulatory System Consists Of Heart and Blood Vessels. Blood vessels transport blood…

Q: How many chambers dothe bird heart and themammalian heart have?Concerning temperaturemaintenance…

A: The circulatory system consists of the heart, blood vessels, capillaries, and blood. The heart is…

Q: euterostome Animals, p. 681 of our text). 4. What kind of circulatory system do herring have (be…

A: Heart is the main organ of the circulatory system. It pumps blood to all parts of the body thereby…

Q: What is the alternativemeans for transport ofsubstances in animals withouta circulatory system? Why…

A: A cell is the basic structural and functional unit of life. They are often called as "Building…

Q: Fluid in the lymph system mostly comes from what leaks out of capillaries O True O False Animals…

A: The lymphatic system is another circulatory system present in the body. The composition of the lymph…

Q: Describe the actions of the frog heart chambers during a cardiac cycle.

A: The heart is a muscular pumping organ that passes deoxygenated blood to the pulmonary organ and…

Q: The septum completely separates the two halves of the mammalian heart. Because of this The blood…

A: The heart is a fist-sized organ that pumps the blood throughout the human body. It is the primary…

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: What are the advantages ofthe closed circulatory systemover the open circulatorysystem?

A: Simple organisms like sponges and coelenterates have mechanisms to circulate water of their…

Q: Circulatory systems contain all of the following except (not all circularity systems contain all of…

A: The circulatory system is made up of the heart, arteries, veins, and capillaries and is responsible…

Q: are used by our heart and blood vessels to preserve the forward movement of blood, and prevent it…

A: The major functions of the heart include: Pumping oxygenated blood to all parts of the body Pumping…

Q: Which of the following structures keep blood flowing unidirectionally in humans? a) Bronchiole b)…

A: Introduction - Plasma, blood cells, and platelets make up blood, which is a liquid connective…

Q: The hormone erythropoietin acts to stimulate cells that are located in the __ of an adult. O blood O…

A: Introduction Hormones are chemicals produced by endocrine cells which are transported by the…

Q: Cardiac myocytes are mechanically connected via O Gap junctions O Autorhythmic cells O Purkinje…

A: Cardiomyocytes:               The cells responsible for generating contractile force in the intact…

Q: What are the major characteristics of veins and arteries as blood vessels in an animal circulatory…

A: Heart and blood vessels make up the circulatory system. The circulatory system's important job is to…

Q: in humans, the body cavity plays no role whatsoever in circulation. Why

A: The human body consists of several cavities that accommodate several internal organs. These cavities…

Q: In our circulatory system, ome of the blood protection function is Preventing Blood loss. Explain…

A: Introduction: Blood is a connective fluid that contains both cells and fluids. Red blood cells (or…

Q: Why, even thoough theyhave an open circulatorysystem, can flying insects likeflies beat their wings…

A: A circulatory system facilitates the transport of molecules from one part of the body to another by…

Q: Blood returning to the mammalian heart in a pulmonary veindrains first into the(A) left atrium.(B)…

A: The mammalian heart is a four-chambered muscular organ, which pumps blood to the body. The heart is…

Q: Vertebrates, such as humans, have a(n) pathway. pulmonary circulatory lungs The heart pumps blood to…

A: The correct answers are listed below

Q: The circulatory system is composed of. O the brain, the heart, and the blood vessels the heart, the…

A: Biology is the study of cells, tissues, organs, organ systems, organisms, species, and communities…

Q: Anatomy-wise, how different is the circulatory system of the cat from that of other vertebrates?

A: The circulatory system of vertebrates is a complex network of blood vessels which transports blood…

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…

Q: pumping chambe

A: Mammalian heart is made up of two atria and two ventricles. Left Atria receive oxygenated blood from…

Q: To which heart chamberdoes the blood go afterleaving the left atrium? Whatis the valve that…

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