According to the Bohr model, the wavelength of the light emitted by a hydrogen atom when the electron falls from a high energy (n = 4) orbit into a lower energy (n = 2) orbit.
A network of arteries and veins also carry blood throughout the body: Arteries transport blood from the heart to the body tissues. Veins carry blood back to the heart.ow the heart works. The heart is a large, muscular organ that pumps blood filled with oxygen and nutrients through the blood vessels to the body tissues. It's made up of: Four chambers. The two upper chambers, the atria, receive and collect blood.
Vitamin C is water soluble, so any excess is flushed from the body in your child's urine. However, megadoses can still cause nausea, diarrhea, kidney stones, and gastritis (inflammation of the stomach lining). Children ages 1 to 3 should not get more than 400 mg of vitamin C a day.Children ages 4 to 8 should not get more than 650 mg a day. Those are the maximum amounts considered safe by the Food and Nutrition Board of the Institute of Medicine.et ideas from other parents on how to get your child to drink more water, from serving it in princess cups to adding fizzy fru... Iron in your child's diet. Get the scoop on how much iron children need, why iron is important for kids, the best food sources, and how much iron is too m... Vitamin D in your child's diet.