tell me fast I'll made you brainlist
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Answer:
1) pituitary gland system and thyroid system
2) brain and spinal cord
3) A, B, Ab, O are the four types of blood group
Answered by
1
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Explanation:
1. a. Adrenal glands b. Thyroid gland
2.a. dendrites, Node of renvier
3.a. A+ and O+
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