By what means is lymph fluid pushed forward through the lymph vessels??
A) ?A central pump dedicated to the lymphatic system
B) ?A system of valves in the lymph vessels
C) ?The contractions of skeletal muscles and movements of breathing
D) ?The heart, which circulates both blood and lymph
C
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Sally has a tumor. In an effort to fight the cancerous cells her body increases the production of
A) neutrophils. B) NK cells. C) suppressor T cells. D) memory B cells. E) plasma cells.
A fluid-filled sac that acts as a lubricating structure for muscle movement is a(n):
a. origin b. insertion c. tendon d. bursae
A small rough bump on bone where a tendon attaches is called a
A) tuberosity. B) ramus. C) condyle. D) diaphysis. E) process.
An unmyelinated axon will conduct action potentials more ___ than a myelinated axon.
Fill in the blank(s) with the appropriate word(s).