Answer:
B. Oxygen
Explanation:
Oxygen is a substance transported with the assistance of red blood cells
Answer:
<h2>⭐Biodiversity, or the variety of all living things on our planet, has been declining at an alarming rate in recent years, mainly due to human activities, such as land use changes, pollution and climate change.</h2>
Answer: An isotonic solution is a solution in which the amount of dissolved material is equal both inside and outside of the cell. Water still flows in both directions, but an equal amount enters and leaves the cell.
hope i was able to help.
Answer:
Are there any examples we chose from?
Explanation:
<span>Running releases painkilling chemicals in the brain called endorphins. Studies indicate that the level of endorphins in the blood increases during aerobic exercise causing a state called "runner's high" and reducing pain. Interestingly enough, drugs like morphine, heroin and opium have some similar characteristics to natural human endorphins,
Running produces these chemicals and they bind with opiod receptors in the nervious system to produce pain relief and mild euphoria during exercise. Running has been associated with increase endurance, injury resistance and the capacity to endure pain based on these characteristics.</span>
