Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
The shoulders, arms, legs, and pelvic griddle are a part of the appendicular skeleton, while the skull, rib cage, hyoid bone, and vertical column are a part of the axial skeleton.
One exercise myth would be- if you do a lot of crunches you will have "six pack" abs. This is incorrect because if you have fat on your stomach, the crunches will create muscle not burn fat.
Another exercise myth- muscles turn to fat when you stop exercising. This myth is not plausible because muscles are almost impossible to go away. Your muscles have muscle memory which makes it extra hard to "forget"!
Last exercise myth- strength training makes women muscular and unfeminine. This is not possible because strength training tests your endurance not how much you can lift. However, lifting weights would give you muscles! <3
