Answer:
Organ
Explanation:
Cell, tissue, organ, organ system, organism
Answer: The respiratory system, the circulatory system, and the muscular system
Hope this helps :)
Answer:
No, I haven't learn that when I learn it I will teach you everything I know
A - protects against night blindness
D - protects against rickets
E - maintains healthy skin
K - improves blood clotting
ALL ARE CORRECT UWU
