Answer:
Detrusor & Urethra
Explanation:
The major contractile muscle of the bladder is the detrusor. Urination involves either sustained contractions or short intermittent contractions of the detrusor along with contraction of the muscles in the urethra, the duct from the urinary bladder that conducts urine from the body.
Answer:
When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases. And lower average kinetic energy of the molecules means they have lower speed.
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Answer: Life span, Life expectancy.
Explanation:
There is no pigment in the brain, so it is in it's natural colour, grey.
Environment, genetics, selective breeding, random mating, random fertilization, recombination, crossing over, etc
