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Answer:
There are many types of energy such as chemical, heat, sound, electric and light.
Explanation:
Examples: of these are electrical coming from kinetic energy the movement of two objects moving together. Then there is chemical energy which is stored in bonds of chemical compounds, the product of chemical energy is heat.
The four systems that describe the functions of the circulatory systems are:
- oxygen is delivered to cells throughout the body by this system
- This system removes carbon dioxide from organs & delivers it to the lungs.
- Carbon dioxide exits the body through this systems
- This system's organs pass oxygen into the bloodstream.
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What is the circulatory system?
The circulatory system can be referred to as a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of humans or other vertebrates.
The circulatory system includes the cardiovascular system, also known as the vascular system which consists of the heart and blood vessels.
Learn more about circulatory systems at:
brainly.com/question/3447829
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trees do not fix N2 from air they fix oxygen with the help of N2 fixing bacteria . so trees do not fix N2