Question

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what are the two main systems involved in regulating homeostasis?
the lymphatic system and the circulatory system.
the respiratory system and the lymphatic system.
the circulatory system and the respiratory system.
the nervous system and the endocrine system.
the integumentary system and the immune system.

Explanation:

The nervous system rapidly transmits signals to regulate body functions, while the endocrine system releases hormones that act more slowly but have long - lasting effects. Together, they maintain homeostasis.

Answer:

The nervous system and the endocrine system.