Answer:
The pulmonary veins carry oxygenated blood to the heart. Air enters the bronchioles in the lungs and reaches the alveoli. The capillaries join together to reach the arteries, transferring the oxygen. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.
Answer:
High mass stars have very high-core temperatures, crushing stellar-core pressures, and are very big and very bright.
Explanation:
Question
<em>Define enzyme concentration.</em>
Answer:
<em>Substrate concentration is the amount of substrate present that can be turned into product and is most commonly measured in molarity (moles per liter). The concentration of substrates is often used to measure enzyme activity, which is based on the rate of a reaction (product formed over time).</em>
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Answer:
D, provides the body with building blocks.
Explanation:
Along with calcium and vitamin D, milk contains proteins, which your cell uses for so many countless functions.
