What type of blood cells are part of the adaptive immune system and indirectly attack bacterial cells that enter the body?

EXTRA CREDIT Name three of the formed elements of blood that arise from myeloid stem cells (1.5 points)    

Which artery supplies blood to the gallbladder?

Which of the following is true of the left lung?

These granulocytes are the most numerous type of leukocytes. They phagocytize and destroy bacteria as part of the body’s non-specific defense against bacterial infection.

Pick the correct path that air would take through the following respiratory structures. Assume the person is inhaling through their nose.

You will list a total of THREE blood pathways to answer this question: Pathways 1 and 2 (3.5 pts) Trace the two unique paths a drop of blood could take from the left ventricle of the heart to the LEFT occipital lobe of the cerebrum. Remember to specify right/left (when necessary) and artery/vein for all vessels you use in your pathway. This is NOT just a matter of using the same pathway on the right and left sides of the body. Rather, each of these paths MUST use different blood vessels to ascend through the cervical region and enter the cranial cavity. Pathway 3 (1.75 pt) Trace the path a drop of blood would take to get from the LEFT frontal lobe of the cerebrum back to the right atrium of the heart Be sure to indicate right or left when naming blood vessels that are paired!

The least abundant type of leukocytes are the:

The layer of a blood vessel wall that contains the smooth muscle that is responsible for changing the diameter of the lumen of the vessel is called the ___________

The electrical event (action potential) that begins each heartbeat and sets the basic heart rate occurs at a region in the wall of the right atrium known as the ________________.