Q: Draw a well labelled diagram of heart and state some functions of heart.
A: A heart is a hollow and muscular organ, which is located under the breastbone in the chest cavity.…
Q: The "heart" of an insect, is located in the [blank] and is known more technically as the [blank]: a)…
A: An insect has mainly three parts; head, thorax, and abdomen. The insects have an open circulatory…
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: Follow the passage of hemolymph in the insect circulatory system. Explain how the body's natural…
A: Hemolymph: it is found in insects as blood, but it is color less. Hemolymph consists of about 90…
Q: do you have a diagram of the sheep heart
A: The heart of a sheep and its anatomy is much similar to that of humans. In humans, the inferior vena…
Q: Does the fish heart pumpvenous or arterial blood?
A: Arterial blood is oxygen rich blood and venous blood is oxygen poor blood. Arterial vein is found in…
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: Fill in the blank: The first sound of a cardiac cycle occurs when the _______________________ are…
A: The AV valves or atrioventricular valves are located at the junction of the atria and ventricles.…
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: Describe the anatomy of the human heart.
A: The heart is a muscular organ which supplies blood to the body via blood vessels through contraction…
Q: Which of the following is the correct sequence of blood flow in mammals? Vena cava -> right atrium…
A: The correct option is vena cava-->right atrium-->right ventricle-->pulmonary artery
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: Compare the path of blood in animals with a one-circuitcirculatory pathway vs. a two-circuit…
A: Blood is a body fluid in other animals and humans. It supplies necessary substances to the cells,…
Q: The human heart is: A) Neurogenic heart B) Myogenic heart C) Pulsating heart D) Ampullary…
A: Heart is a muscular organ in circulatory system. It plays an important function of circulating…
Q: Describe two mechanisms by which the cardiac output of an animal’s heart can be adjusted and…
A: In animals, Cardiac output can be increases by the more blood flow in ventricle and forcefully…
Q: How many chambered heart does fish have?
A: Circulatory system is the system, that helps in the circulation of substances through body fluids.…
Q: In vertebrates, there exist a double circulation. What are these and explain each in the terms of…
A: Introduction The circulatory system pumps blood from the heart to the lungs to get oxygen, An…
Q: Summarize the diference between the circulatory system of a fish and that of a mammal.
A: Fish: In fish, it is a closed circulatory system. It has two chambers: a single atrium and ventricle…
Q: How does the cardiovascular system work with other organ systems found within the frog to keep it…
A: Homeostasis is the maintenance of stable internal environment from the surroundings. There are…
Q: What may not be a reason for the evolution of heart valves from ball and cage to bi-/trivalve…
A: The cardiovascular system consists of the heart and the blood vessels. The heart is the pumping…
Q: Explain the origin and conduction of the excitation that leads to a heart contraction. Why is the…
A: Since, there are multiple questions. I have answered the first question only. If you need the…
Q: Differentiate between single and double circulation found in vertebrates.
A: All the vertebrates are having circulatory system which consist of central pump (heart) and a…
Q: Describe how the four chambers of the fish heart function and the principal limitation of this…
A: In ichthyology, fishes are aquatic organisms that are devoid of digits and limbs and have…
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: 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: 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: Summarize the effect of temperature on the frog’s heart action.
A: Frog belongs to class amphibian and phylum chordate. Frogs are poikilotherms that mean they cannot…
Q: In which of the following group/ groups of animals, heart does not pump oxygenated blood to…
A: Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates have a…
Q: Explain the heart present in cockroaches.
A: Cockroach The cockroach is an insect that belongs to arthropods (order- Blattodea). More than…
Q: Would having two or more hearts be adaptive for vertebrates? Why do you think that invertebrates…
A: Vertebrates have superior single coronary hearts all through the path of evolution as most of them…
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: transplant a pig heart to a human,
A: Recently we have seen pig heart to human transplantation Maryland U.S. became the first person…
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: anatomy: write about chambers of the heart
A: The heart is a hollow muscular organ that pumps blood throughout the body through the circulatory…
Q: Label the internal structures of the frog's heart.
A: Amphibian such as frogs has three chambered heart with 2 auricles and 1 ventricle.
Q: A heart ventricle partially divided by an incomplete septum is found in frogs snakes birds and…
A:
Q: Compare a fish heart, an amphibian heart and a bird heart. Give all details.
A: The heart is the primary organ in s pumping blood throughout the body. The circulation of the blood…
Q: What is the Process/Mechanism Involved in The Left Atrium of a frog
A: Introduction Frogs are amphibians and have a closed circulatory system and they have incomplete…
Q: Trace the flow of blood through the heart during one cardiac cycle.
A: The cardiac cycle is defined as the time taken for the heartbeat from its production to the…
Q: Compare the rate of blood flow out of the ventricles between the first and second heart sounds of…
A: The heart is the most important organ in the body. It is made up of several different types of…
Q: draw and label parts of the human heart
A: Human heart is a pumping organ of the body that circulates the blood through the body. It has the…
Q: (hand-drawn) schematic representation of the circulatory designs of the following vertebrates:…
A: Pisces have 2 chambered heart. one auricle and one ventricle. Amphibians have 3 chambered heart- 2…
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: Compare and contrast the structure and function of the two types of heart valves.
A: Introduction: Heart valves- These are flap( leaflet) like structures which prevent backflow of…
Describe the evolutionary change in the pattern of heart among the vertebrates
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- Which sequence of blood flow can be observed in either a reptile or a mammal? right atrium → pulmonary artery → left atrium → ventricle left ventricle → aorta → lungs → systemic circulation right ventricle → pulmonary vein → pulmocutaneous circulation pulmonary vein → left atrium → ventricle → pulmonary circuit vena cava → right atrium → ventricle → pulmonary circuitDescribe the actions of the frog heart chambers during a cardiac cycle.Compare and contrast the structure and function of the two types of heart valves.
- Does the sheep and human have the structure of heart listed below? If not what structures does human have that a sheep does not have or vice versa?Amphibians have three-chambered hearts, which have some limitations when compared to the four-chambered hearts of birds and mammals. Describe a disadvantage of a three-chambered heart (in comparison to a four-chambered heart), and one way in which amphibians are able to compensate for it.Why does the mammalian heart have 2 pumping chambers? What is the purpose?