Answer:
The main function of the pulmonary alveoli is to perform the transfer and exchange of gases. In this case, the following gases are included: oxygen, carbon dioxide and gases. Of the elements listed, the only one that is not transferred by the alveoli is the blood.
Explanation:
Answer:
Man-made
Explanation:
We are over harvesting the animals, so the reason for their extinction would be man-made.
False like blood lymph won't flow both to and from the heart
Answer:
Other scientists would need to confirm the results by performing the same experiment.
Explanation:
According to this question, an experiment was conducted by an associate professor, using 20kids, to discover why children are better at problem-solving after exercise. He arrived at a result that Children who exercised showed a 5% increase in the P3 waves, which occur during decision- making.
However, in order for this findings by Charles Hillman to be generally accepted and recognized in the scientific community, which is a connection of several scientists, the results need to be confirmed by performing the same tests or experiment.
Note that, an experiment becomes a scientific theory if it has undergone series of repeatable tests. One of the key features of scientific experiment is that it must be repeatable.
Overall, minerals from animal products are better absorbed than those from plant because binders such as fiber are not present to hinder absorption.