ADHD is caused by the person's genes. If the child's mother smokes, drinks, and does drugs, this increases the baby's change of getting ADHD.
The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs where they are oxygenated.
Hope this helped :)
Have a great day
Up to about 150 minutes (2 hours and 30 minutes)
No junk food! eat lots of protein