https://www.hhmi.org/biointeractive/vertebrate-circulatorium Compare and Contrast: Adult to fetal heart in mammals Fetal heart in mammals to diving heart in crocodile.
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https://www.hhmi.org/biointeractive/vertebrate-circulatorium
Compare and Contrast:
- Adult to fetal heart in mammals
- Fetal heart in mammals to diving heart in crocodile.
To see the differences in the mammal heart as a fetus vs adult.
Go to "Mammal". Click on "Heart Detail". Click "Activate". Toggle between "Fetal Heart" and "Adult Heart" to see the differences in blood flow.
To see the differences in the crocodile heart on the surface vs diving.
Go to "Crocodile". Click on "Heart Detail". Click "Activate". Toggle between "Surface" and "Dive" to see the differences in blood flow.
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- Compare and Contrast: Surface to diving heart in turtle. Surface to diving heart in crocodile. Diving heart in turtle vs crocodile. To see the differences in the turtle heart on the surface vs diving. Go to "Turtle". Click on "Heart Detail". Click "Activate". Toggle between "Surface" and "Dive" to see the differences in blood flow. To see the differences in the crocodile heart on the surface vs diving. Go to "Crocodile". Click on "Heart Detail". Click "Activate". Toggle between "Surface" and "Dive" to see the differences in blood flow.Write the following structures into sequence as a drop of blood would pass them on the double circuit of a mammalian system. aorta to systemic arteries and arterioles aortic semilunar valve inferior and superior vena cavae left atrioventricular valve (also called biscupid or mitral valve) left atrium left ventricle pulmonary capillaries to venules pulmonary trunk/arteries to arterioles pulmonary semilunar valve pulmonary veins right atrioventricular valve (also called tricuspid valve) right atrium right ventricle systemic capillaries to venules and veinsAn artificial heart works in closed loop by varying its pumping rate according to changes in signals from the recipient's nervous system. For feedback compensation design it is important to know the heart's open-loop transfer function. To identify this transfer function, an artificial heart is implanted in a calf while the main parts of the original heart are left in place. Then the atrial pumping rate in the original heart is measured while step input changes are effected on the artificial heart. It has been found that. in general, the obtained response closely resembles that of a second-order system. In one such experiment it was found that the step response has a %OS = 30% and a time of first peak 7, 127 sec (Nakamura, 2002). Find the corresponding transfer function. Aside from the corresponding transfer function, determine the following as well: delay time, rise time, settling time and steady state error if input is a step response. CO M
- The events of the cardiac cycle cause cyclical changes in left ventricular pressure and volume over time. Another way to represent these events is with a pressure-volume loop, as shown below. Drag the labels from the left into the appropriate boxes on the pressure- volume loop to demonstrate your understanding of the cardiac cycle. Aortic valve closure AV valve opening Systolic pressure Isovolumetric relaxation Isovolumetric contraction 120 Diastolic pressure Ventricular filling 80 End-diastolic volume Ventricular ejection 40 AV valve closure End-systolic volume Aortic valve opening 60 120 LV volume (mL) O McGraw-Hill Education Reset LV pressure (mm Hg)What are some observations comparing the schematics of the fish and mammal circulatory systems? (Note: these are simplified schematics that don't show every single route for blood, so focus on the heart and the immediate inflow/outflow around the heart.)Compare a fish heart, an amphibian heart and a bird heart. Give all details.
- . A series of simple, well-labelled, schematic diagrams to illustrate the chambers of the heart and how the movement of blood is controlled through the atrioventricular and semilunar valves. . A table to summarise the key differences in heart structure between fish, reptiles, birds, and mammals.In the figure below on the left, label the P, QRS and T waves. Describe what is happening in the heart in the P wave: Relate the P wave to the cardiac cycle:o Is the heart in systole or diastole?o Is the pressure high or low?o Where is blood flowing? Which valves are open? closed? o Which muscle fibers are contracting, if any?The English physiologist William Harvey made all of the following circulatory discoveries except: both pulmonary and systemic blood pressure comes from pumping of the heart the function of valves in the veins is to direct blood flow back to the heart blood in the arteries is under more pressure than is blood in the veins arterial pressure is greatest during diastole and lowest during systole the function of the vertebrate heart is to pump blood continuously
- Fill in the table to compare and contrast the structures of the heart and the path of circulation for each organism in the activity. (Check out the hagfish, but you do not need to know the details for its complex circulatory system.) Organism Fish Lungfish Frog Turtle Crocodile Mammal Bird Heart Structure 2 Chambered Heart 2 Chambered Heart 3 Chambered Heart 3 Chambered Heart 4 Chambered Heart 4 Chambered Heart 4 Chambered Heart Mechanism for gas exchange 7022017 Number & type of circulatory loops Single, Closed Single, Closed Double, Closed Double, Closed Double, Closed Double, Closed Double, ClosedDiscuss the differences between myogenic and neurogenic hearts, and explain what is the role of regulatory neurons to control cardiac output. If possible, include in your answer examples from different organisms for each type of heart.correct answer don't copy googleIn the given table, three of the anatomical and physiological terms are similar or related; one does not belong with the other three. Choose the term that does NOT belong in each of the following groups. A B C D 1 Pulmonary Trunk Vena Cava Right Side of the Heart Left Side of the Heart 2 QRS Wave T Wave P Wave Electrical Activity of the Ventricles 3 AV Valves Closed AV Valves Opened Ventricular Systole Semilunar Valves Open 4 Tricuspid Valve Mitral Valve Bicuspid Valve Left AV Valve 5 Pulmonary Valve Umbilical Artery Pulmonary Vein Superior Vena Cava