Answer:
*The 3 Importantance of the Circulatory System:*
This system has three main functions:
-Transport of nutrients
-Transport oxygen
-Transport hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
*The 3 Importantance of the Respiratory System:*
-Brings air to body temperature and moisturizes it to the humidity level your body needs.
-Delivers oxygen to the cells in your body.
-Removes waste gases, including carbon dioxide, from the body when you exhale.
*The 3 Importantance of the Nervous System:*
The nervous system has three broad functions:
-sensory input
-information processing
-motor output.
*The 3 Importantance of Digestive System:*
There are three main functions of the gastrointestinal tract:
- transportation
- digestion
-absorption of food.
Explanation:
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