In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) . In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) . precapillary sphincter ateriovenous anastomosis collaterals thoroughfare channel

In a capillary bed, the bands of smooth muscle at the entrance to each capillary is called a(n) precapillary sphincter.

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.