Explanation:
what's the question? that's not a question
Answer:
Transitional cell carcinoma is a cancer that forms in a type of epithelial tissue called transitional epithelium, or urothelium. This tissue, which is made up of many layers of epithelial cells that can get bigger and smaller, is found in the linings of the bladder, ureters, and part of the kidneys (renal pelvis), and a few other organs.
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Explanation:
To distribute oxygen and blood
D. <span>social activities, such as team sports, promote exercise. this is the only question in which it says why as in promoting exercise, the other answers do not specify</span>
