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Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
(A) Lumbar puncture, also known as spinal tap; (B) section of the vertebral column showing the spina
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Spinal cord injury.
Cutting the umbilical cord.
A dead-blow hammer that was left outside in freezing weather. The plastic covering was damaged, ...