Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
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Answer:
the shadows are called umbra and penumbra
Is the summarized through the producer, such as a plant, being eaten by a monkey, which is turn preyed on by a Jaguar. centipede that hunts insects, but is later consumed by a toucan