Answer:
A. Filtering Blood to Remove Unwanted Waste
Explanation:
Excretory system is comprised of Kidneys, liver, lungs and skin.
Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. People migrate to those places where they have better facilities of health services, educational services, transportation and communication and the life is easier.
Answer:
B. His biological mom
Explanation:
Since behaviors can be hereditary, it will all come from your parents.
Answer: Asking a doctor questions when something doesn't feel right
Explanation: Sharing your concerns with a medical professional is the most important part of being proactive. Even if your concerns are only suspicions at the time the doctor will use best diagnostics to exclude or identify a problem.
Delaying sharing such concerns may potentially mean loss of valuable time in a treatment. Self-diagnosis is prone to error and online source may be biased/misleading.
Extra flossing may be good, but won't replace dental checkups.
Using home remedies is more often than not unreliable and, while are certainly free to use them, does not represent the idea of being proactive with your health.
