Answer:
carries oxygen and nutrients to all parts of the body
removes carbon dioxide
removes waste from cells
Explanation:
Answer:
Between 5 and 6 weeks, your baby sprouts two flipper-like buds that will lengthen and grow into arms, and by 7 weeks, two additional buds form that will become his legs. Your baby's hands and feet, which look somewhat like paddles at this stage, will form at the end of these buds.
Explanation:
School attendance is required throughout the states.
The psychologist is using a Token Economy because for doing something, you get a reward in exchange.