I don´t know :V :V :V :V :V :V :V :V :V :V :V :V
Answer:
Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes.
This can be possible because we no longer need to use a large hose and spray water on the roads and let the dirty water drain away back into seas and rivers and create water pollution. However, this methods requires a large amount of labor and time.
Pic C goes in box A
Pic A goes in box B
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Endocrine system consist of endocrine glands that produces hormones. This hormones are carried by blood to their sites of function
