The sac that often forms the initial portion of the thoracic duct is thea. lacteal,b. right lymphatic duct,c. cisterna chyli,d. lymph sac.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. Fat-containing lymph from the intestines drains into the cisterna chyli.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. Lymphatic vessels constitute a one-way system that delivers interstitial fluid from the blood vessels to the extracellular space.