Answer:
Implantation is what leads an egg to pregnancy. If implantation doesn’t occur then, the fertilized egg comes out with period blood. After fertilization, the egg undergoes series of divisions called cleavage. The cells remain enveloped in the protective egg membrane. This membrane layer hardens after entry of sperm.
<em>hope this helps :)</em>
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The answer to this question is true
Answer:
A
Explanation:
exercise can increase blood pressure, but the effects are typically temporary
Alzheimer's disease is the most common cause of dementia and most symptoms first appear in their mid-60s :))
