asked 145k views
5 votes
When a person is frightened by a wild animal, what organ systems immediately become active?

A. endocrine and circulatory systems
B. Nervous and excretory systems
C. Digestive and circulatory systems
D. Respiratory and integumentary system‘s

1 Answer

2 votes

Answer:

C.

Step-by-step explanation:

answered
User Dan Wich
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