Skin<span> is an elastic covering. It </span>protects<span> you against exposure to dangerous things in the environment such as bacteria. Since they form an elastic cover, they are able to B)Extend and contract for movement.</span>
The circulatory system is also known as the cardiovascular system. They both allow blood to circulate throughout the body, transporting nutrients, oxygen, and carbon dioxide.
I hope this helps! :)
I'm pretty sure (D) is the right answer
Hi there!
The Prolactin hormone, helps a woman to produce milk after giving birth.
Hope this helps!
~Alexa
A) foods are physically broken down into smaller pieces!
your mouth brakes the food into small pieces and is the main part but chemical reaction also occurs,
the saliva in your mouth helps you swallow the food easily!
just imagine eating your food dry like doritos that will hurt! your saliva makes it a lot easier and painless!