17. The control unit of the body.
A. Musculo-Skeletal
B. Digestive
C. Integumentary
D. Nervous
18. It gives our body shape and support as we move.
A. Musculo-Skeletal
C. Integumentary
B. Digestive
D. Nervous
19. It is a system which takes charge of the breathing process.
A. Nervous
C. Digestive
B. Respiratory
D. Integumentary
20. It acts as a barrier to protect the body from outside/externally.
A. Nervous
C. Digestive
B. Respiratory
D. Integumentary​