Fill in the blanks.
I've broken the paragraph below into sections. Fill in the blank that has a number.
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Your body has many systems. One very important system is the circulatory system. The circulatory system is made up of this important organ that acts like a pump. This organ is your _____. It pumps your _____ though blood ____ to all parts of your _____. Your blood carries _____ and food and removes wastes. Your circulatory system works closely with your respiratory system. The air you breathe into your _____ brings in the oxygen that your _____ system and blood carries.
Below is the paragraph with the blanks filled in:
Your body has many systems. One very important system is the circulatory system. The circulatory system is made up of this important organ that acts like a pump. This organ is your heart. It pumps your blood through blood vessels to all parts of your body. Your blood carries oxygen and food and removes wastes. Your circulatory system works closely with your respiratory system. The air you breathe into your lungs brings in the oxygen that your respiratory system and blood carries.