How does the lymphatic system both help and hinder the spread of cancer through the body?
What will be an ideal response
Lymph nodes help rid the body of cancer cells by immune mechanisms. Lymph vessels may also be used to spread cancer cells throughout the body if immunity is not effective against the cancer cells because a cancer cell that escapes lymphatic filtration will reach the bloodstream and be carried anywhere in the body.
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Besides the three basic types of food, good nutrition requires:
a. vitamins b. amino acids c. minerals d. both A and C above
Which of these are found in pigs but NOT humans?
A) right primary bronchus B) apical bronchus C) trachea D) left primary bronchus
What does the juxtaglomerular complex do in response to decreased filtration pressure?
A) It increases aldosterone production and release. B) It increases ADH production and release. C) It decreases ADH production and release. D) It increases renin production and release. E) It decreases renin production and release.
Spermatagonia, spermatocytes, and spermatids are germ cells; they are found in seminiferous tubules.
Answer the following statement true (T) or false (F)