Which is not a function of the circulatory system?
1. to produce and store all of the immune system cells
2. to carry chemical signals, such as hormones, throughout the body
3. to distribute heat throughout the body t
4. to transport nutrients to the cells and to remove wastes from the cells

(1) To produce and store all of the immune system cells

Explanation:

The circulatory system is involved in transportation and distribution and not in production and storage

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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