Blood is the fuel that keeps you going! Oxygenated blood is brought to organs and tissues via the arteries, while veins bring deoxygenated blood back to the heart to be replenished. The point is, without the respiratory system your blood would be useless.
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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<u>Negative Feedback</u> occurs the the response serves to counteract the stimulus.
Endocrine gland functions with your hormones. Exocrine gland deals with waste and getting rid of it. Which both of them don’t deal with digestion.
Answer:
domestication and breeding sub sequentially
Explanation: