Is there any advantage to penises and vaginas being so close to the end of the digestive tract? Why does the penis double up to extract waste and make babies?
In: 41
Limited space inside our body. With more than 20 feet of intestines in our gastric tract, which requires the length of the throat as well to enter that, there isn’t much room left at the bottom of the torso to allow waste to leave. As for the penis doubling up, efficiency and hygiene. The vagina is self cleaning and therefore doesn’t require the users intervention in cleaning. The penis does not. When a penis wielder ejaculates, not all of the semen exits, and some remains in the urethra. The bladder is closed off by muscles contracting during arousal, and does not open up until arousal ends. After ejaculation, the bladder opens back up and signals the body to pee so it can remove any semen that was left in the urethra through urination.
Edit: I realize I am only referring to humans in the case of a “torso” but it is generally true throughout the animal kingdom due to the amount of internal organs.
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