Answer:
i seen you bfore wasssup girl
Explanation:
Answer:
The arteries and veins carry blood all over the body. They send oxygen and nutrients to the body tissues.
Explanation:
Hope this helps
To pump more blood and oxygen into the body thats why it increases because it needs to work more
What would happen if t. Brucei suddenly loss the ability to undergo antigenic variation
If T. Brucei lost the ability to undergo antigenic variation, it would cause it to not be able to hide itself from our defenses and our body would be able to fight it.