I would say within the space C
(A) cells are the transitional epithelium cells, there resist to the acidity of the urine. It protects smooth muscle cells (B) responsible for the bladder contraction and the release of the urine by the urethra.
the C space represents the intern cavity of the bladder where the urine is supposed to be stored waiting for the micturition (urination).
Answer:
Charles Robert Darwin (1809-1882) transformed the way we understand the natural world with ideas that, in his day, were nothing short of revolutionary. He and his fellow pioneers in the field of biology gave us insight into the fantastic diversity of life on Earth and its origins, including our own as a species.
Blood<span> flows to the </span>kidneys through<span> the right and left renal arteries. Inside each </span>kidney<span> these branch into smaller arterioles. The </span>blood<span> is at very high pressure and flows </span>through the arterioles into tiny knot of vessels called the <span>Glomerulus.
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Its either A or C but im sorry i dont know which one
Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.