Answer:
1.) Why does menstruation begin?
A.) Period happens because of changes in hormones in the body.
2.) How long does the menstrual cycle usually last?
A.) the menstrual cycle lasts 21 to 35 days while bleeding between 2 to 7 days
<u>-TheUnknownScientist</u>
Answer:
an opening into a vessel or cavity of the body.
Answer:
Deep Ocean.
Explanation:
This area recives no sunlight at all
<h2>
Answer:</h2>
<h3>Interphase</h3>
<h2>
Explanation:</h2>
<h3>The cell cycle is the period of time from the beginning of one cell division to the beginning of the next. The longest stage of the cell cycle is called interphase. Interphase is the stage that occurs in between cell divisions. During interphase, the cell grows and develops and performs its functions.</h3>
