Answer:
You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. The skin, nails and hair form the integumentary system, which stops dirt and pathogens from entering the body.
C. Organize it into charts, graphs, do calculation if necessary.
Answer:
It is circulatory system and the digestive system.
Explanation:
6. A
7. A
8. ?
9. A
10. A
i know A being the answer for all is kind of weird but i am pretty sure that’s what the answers are