Answer:
I don't really know
Explanation:
sorry bud can't figure it out
<span>You can tailor the URL for each Sitelink Extension</span>
Answer:
The circulatory and respiratory systems work together to pump blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and the bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart and thats how it works.
Explanation:
Flagella and cilia are both used for movement
The sub units that make up Macromolecules are proteins, lipids, nucleic acids, and carbohydrates.
