Identify the area labeled “B” on the above model.

Give the function for the structure at the arrow on the above model.

Identify the function of the structure indicated by arrow C

Which blood vessel is at the arrow?

Give the function for the cell at the pointer on the histology slide above.

What fluid is located in the spaces indicated by the arrows?

Identify the region indicated by arrow D

What fluid is located in the spaces indicated by the arrows?

Give the function for the cells at the pointer on histology slide above

A, B, C, D, and E represent the _______of the heart.