At rest, skeletal muscles receive approximately what percentage of blood pumped by the heart?
A. About 2%
B. About 10%
C. About 25%
D. About 50%
E. About 75%
C. About 25%
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The fibrous skeleton of the heart functions to
A) help distribute the force of contraction of the heart. B) maintain the shape of the heart. C) physically isolating the atrial muscle cells from the ventricular muscle cells. D) reinforcing the heart valves. E) All of the answers are correct.
Match the vein with the appropriate description.A. Drains blood from the armB. Superficial vein of the head and neckC. The posterior intercostal veins join this vein on the right side of the bodyD. Deep vein that drains blood from the cranial vaultE. Formed by the union of the internal jugular and the subclavian veinsBrachiocephalic vein
Fill in the blank(s) with the appropriate word(s).
The triangular renal pyramids are separated by ________
A) renal papilla B) major calyces C) minor calyces D) renal columns
This figure shows a lateral view of the skull. What bone is visible within the suture indicated by number 3?
A. Sesamoid bone B. Wormian bone C. Pterygoid bone D. Condylar bone E. Lambdoid bone