Earth's atmosphere helps maintain a constant temperature.
Answer:
Oxytocin
Explanation:
The release of oxytocin is signaled by the fetal brain about 38 weeks after conception. Oxytocin is also called birth hormone as it stimulates uterine contraction.
The uterine contractions stimulate the release of more oxytocin through a positive feedback loop. Oxytocin stimulates contraction of the smooth muscles in the wall of the uterus which in turn finally leads to childbirth.
object
it is object in the gaps.
hope this helps:)
Yes. Think of it as a skeletal structure for worms. It's basically what allows them to move.