Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
Answer:
Labor contractions are the periodic tightening and relaxing of the uterine muscle, the largest muscle in a woman's body. Something triggers the pituitary gland to release a hormone called oxytocin that stimulates the uterine tightening.
I hope it's helpful!
Cardiovascular system is often compared to a city.
It refers to the separation of the three powers/branches: Executive, Legislative, and Judaical. It separates them in both the federal and state government.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)
