Among the typical midlife changes for men is an Increase in prostate size.
A portion of the fluid that carries sperm during ejaculation is produced by the prostate, a gland. The urethra, which is the tube through which urine leaves the body, is surrounded by the prostate gland.
As you get older, your chances of having an enlarged prostate go up. Because BPH is so common, it has been said that if a man lives long enough, he will all have an enlarged prostate. Many men over 40 have a small amount of prostate enlargement. The condition affects more than 90% of men over the age of 80.
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Monoploid organisms reproduce asexually since they need to transmit all of their genetic material to their offspring. Diploid organisms, have 2 copies of their genetic material that differ slightly in their genes. Since the progeny gets half of the DNA from each parent, we have that new combinations can emerge; for example, if the mother is AA for some allele and the father aa, their offspring will be Aa, a new genotype. This might have different implications (for example, the recessive gene for thalassemia also provides resistance to malaria). Finally, during meiosis, there is also an event called crossover that increases the genetic variation of the offspring.
The correct answer is B. After filtration, the lymph from lymph node travels to the subclavian veins, through efferent lymph vessels. The whole transport process is affected by smooth muscle contraction, changes in pressure and opening/closing of valves.
Sitting<span> is sort of their default behavior and a lot of </span>panda<span> keepers seem to think that they prefer to be solitary.</span>
