The significance in thickness between the two is due to the different amount of pressure exerted on the walls of the heart. The left ventricle has a thicker wall because the blood must be pumped throughout the entire body (oxygenated blood), unlike the right ventricle, where blood is pumped simply to the lungs to be oxygenated (pulmonary system).
Answer:
First stage: This starts with contractions and your cervix dilating and ends when your cervix is fully open. ...
Second stage: This is when you push your baby through the birth canal.
Third stage: This ends with the delivery of the placenta, also called afterbirth.
Explanation:
The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
Could you add the answer choices as well to be able to answer this for you
