Put the following parts of the cardiac conduction system in the correct order beginning with the normal pacemaker.

Put the following vessels in order from the left ventricle to the right antebrachium.

Which of the following is not a part of mucosa associated lymphoid tissue (MALT)?

Lymphatic structures that carry lymph away from a lymph node are _____ lymphatic vessels.

What refers to contraction of the atria?

Which of the following would you find in the ventricles, but not in the atria?

Be sure to indicate right or left. Identify the specific structure indicated by the arrow.

Identify the specific vessel indicated by the black arrow. The vessel is shown at a distance and close up. You do not need to indicate right or left.

Identify the specific type of lymph node at the tip of the arrow.

Together the group of vessels indicated by the yellow arrows is the _____. The vessels are shown at a distance and close up.