Describe the structural and functional roles of the cardiac skeleton
What will be an ideal response?
Structurally, the cardiac skeleton stabilizes the position of the heart valves and ventricular muscle cells; functionally, it electrically isolates the atrial and ventricular myocardia.
You might also like to view...
Which of the lymphatic trunks drain into the cisterna chyli?
A. Subclavian trunks and jugular trunks B. Intestinal trunks C. Intestinal trunks and lumbar trunks D. Lumbar trunks E. Bronchomediastinal trunks and intestinal trunks
The ________ is the ossicle that transmits vibrations to the inner ear through the oval window.
Fill in the blank(s) with the appropriate word(s).
Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the
A. white rami communicantes. B. superior cervical ganglion. C. gray rami communicantes. D. splanchnic nerves. E. pterygopalatine ganglion.
A(n) ____________________ energy balance occurs when the amount of energy in food intake equals the amount of energy expended by the muscles performing external work
Fill in the blank(s) with correct word