kidneys remove the waste.
90% is lost, as only 10% is available to the next level.
1. eggs
2.sperm
3.when a sperm egg enters a female egg
4. 1st 2nd and 3rd trimesters
5. birth time
6. pregnancy pills
7. by one person have an STD and then pass it to the other through sex
8. to determine the sex of the baby, to impregnate a female,
9. to get impregnated, to have periods, and to birth a child
10. no because they are both very dangerous
11. being in love still and not having a controlling significant other
12. fighting, getting hurt by your significant other or not loving them anymore
13. keep them happy and act lime they are your best friends
14. don’t talk to them or yell at them
15. when you don’t have vaginal sex or if you have outercourse
i realllly hope this helps!!!!
Hold two fingers to beneath the jaw line then count how many beats in 6 (eg) seconds the multiply by 10 (eg) so you get the number of beats in one minute