Explain why adult animals and plants replace many of their cells throughout their lifetimes.
What will be an ideal response?
Cells can be damaged by physical wear and tear, toxic chemicals, temperature changes, or other environmental hazards. Cells are also lost due to aging and must be replaced.
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Following diagnosis with pancreatic cancer, Neil had a large portion of his pancreas removed. Which of the following hormones will now be found in lower amounts?
A. CCK B. Vasopressin C. Oxytocin D. Thryoid hormone E. Insulin
A horse with dark circles on a white coronet band is said to have which of the following?
A) distal spots B) blemishes C) half stockings D) points
The primary sex organs of the female are the ____________________.?
Fill in the blank(s) with correct word
During the plateau phase of the sexual response, the glans and clitoris swell as the deep arteries dilate and the ________ engorge with blood
A) uterine walls B) vaginal walls C) vestibular glands D) corpus spongiosum E) corpora cavernosa