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alexandr1967 [171]
3 years ago
6

Which organ systems work together to supply nutrients and oxygen to the brain? A. the skeletal, immune, and excretory systems B.

the muscular, endocrine, and reproductive systems C. the nervous, lymphatic, and skeletal systems D. the digestive, respiratory, and circulatory systems
Biology
1 answer:
Maslowich3 years ago
5 0

Answer:

D

Explanation:

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