Absorbed into the blood by the mature enterocytes on the upper third of the intestinal villi
This question doesn't make since. it could mean its death rate is lower than its birth rate or it could mean just expansion
<span>B. achieve larger size than organisms that only use diffusion.</span>
Answer:
an ANTIGEN
Explanation:
a foreign substance that invades your body is called an <u>A</u><u>N</u><u>T</u><u>I</u><u>G</u><u>E</u><u>N</u>. 8. When your body detects an antigen, antibodies are made and lock onto it. Once an antigen is recognized, your immune system can remember it the next time and protect you from getting sick again.
