The respiratory system mainly consists of the lungs. The lungs give oxygen to the body, when you inhale air. They are responsible for removing carbon dioxide from the body. The circulatory system mainly consists of the heart. The heart pumps blood through the body, giving us oxygen. The heart is responsible for pumping blood and creating new blood cells. If we did not have a heart then there would be no blood, therefore, no oxygen. If you think about it, the body's oxygen transport system takes oxygen to the working muscles, through the circulatory and respiratory systems working together. The main workers are the heart, blood and lungs. The whole oxygen transport system works in a cycle.
Answer:
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Answer: the correct answer is vinegar.
Explanation:Reducing the pain of a marine animal sting can be accomplished by rinsing the affected area with vinegar. Vinegar is an aqueous solution of acetic acid and trace chemicals which is known to deactivate the nematocysts of as some marine animals there by reducing pain.
Nucleus is the most important factor of a cell
36/3s is the answer cause 18x3 is 36 and it is 3 seconds so 36m/3s
