Answer:
The endocrine system is a collection of specialised organs (endocrine glands) scattered throughout the body that act to produce hormones.
Explanation:
Answer:
the answer would be B. Digestive system, Muscular system, endocrine system, nervous system
A is the answer
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It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
Answer:In the central nervous system, the supporting cells are collectively referred to as neuroglia.
Explanation:In the central nervous system, the supporting cells are collectively referred to as neuroglia.
