Cardio- Lymhaptics

Question 1

where does lymph empty to

Answer 1

venous circulation at the junction of the internal jugular

Question 2

what is lymph propelled by

Answer 2

=> Pulsations of nearby arteries

=> Contractions of smooth muscle in the walls of the lymphatics

Question 3

diff b/w capillaries and lymph cap

Answer 3

lymph
=> Very permeable (take up cell debris, pathogens, and
cancer cells)
=> Endothelial cells overlap to form one-way minivalves, and are anchored by collagen filaments, preventing collapse of capillaries

Question 4

2 main lymph ducts

Answer 4

• Right lymphatic duct drains right upper arm and right side of head and thorax
• Thoracic duct arises as cisterna chyli; drains rest of body