If the question is asking whether it is true or false, the answer is true. It is because not all women who have menstruation has the exact time when it comes to predicting or determine ovulation as there are factors considered and interrupts with these process that made it complicated and hard to determine.
The way I'm interpreting this is that what type of bound are these? And yes share electrons in various bonds can share electrons lose and gain, these all sounds like covalent bonds and ionic and hydrogen bounds are from.single to double and to triple bounds.
What are you asking I would love to help
Answer:
The organ is the female reproductive organ , the uterus
and the green arrow points to the cervix