Heather understands the importance of safety when riding her bicycle. Her little sister is learning to ride her two-wheeler as well. How can Heather assist her younger sibling and insure a safe ride for them both? O Check to make sure her sister's helmet fits correctly O Do a pre-ride inspection of both bikes O Review how to cross intersections and the rules of the road with her sister O All of the above

1.controls blood flow2.controls oxygen flow3.carries oxygen rich blood to veins

Personality is a mixture of characteristics/qualities that form an individual's distinctive persona. it can be influenced by environmental and biological factors; one's culture is a most important factor that shape personality. extreme mood swings, unstable relationships, distorted self-image, impulsive/risky behavior, explosive anger, chronic feelings of sadness/emptiness, etc. these could indicate that someone could have a personality disorder.