Answer:
the answer is true
Explanation:
I looked up the definition and B cells are activated and they proliferate to produce antibody become cells that produce antibodies for that antigen .
Muscular strength because you use it while running a mile and hiking
Answer:A
Explanation:Because she needs the least amount of water in her body to be able to run well
Answer:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Your circulatory system delivers oxygen-rich blood to your bones. Meanwhile, your bones are busy making new blood cells. Working together, these systems maintain internal stability and balance, otherwise known as homeostasis
Explanation: