Answer:
Organ systems: human body and circulatory system
organs: heart
tissue: muscle
Explanation:
Answer:
sulfur dioxide remains in the atmosphere for a long time, therefore, rapidly heating up the Earth.
Explanation:
True they are in the heart as well as the rest of your body
Mitochondria are the energy factories of the cells. The energy currency for the work that animals must do is the energy-rich molecule adenosine triphosphate (ATP). The ATP is produced in the mitochondria using energy stored in food. ... This is a very efficient process for using food energy to make ATP.