Hepatitis B and C are spread through blood and body fluids. To cut your risk, don't share items like toothbrushes, razors, or needles. Limit the number of sex partners you have, and always use latex condoms. There's no vaccine yet for hepatitis C, but there is one for hepatitis B.
This gives their neck greater flexibility so they can turn it around to 270 degrees. They have to do this because, unlike us, they cannot move their eyeballs at all in any direction. <br /> Owls can't really turn their head all the way around. They can turn their head 270 degrees (3 quarters). Owls have fourteen vertebrae bones in their necks which is twice as many as humans. This gives their neck greater flexibility so they can turn it around to 270 degrees. They have to do this because, unlike us, they cannot move their eyeballs at all in any direction. Owls can't really turn their head all the way around.
1 Owls have zygodactyl feet with two toes pointing forward and two toes pointing backward, and all their toes have sharp talons. 2  This gives the birds a stronger, more powerful grip so they can be more effective predators.3  Owls have specialized feathers with fringes of varying softness the help muffle sound when they fly. Several owls species have ear tufts on their heads but they aren't ears at all. 2  These tufts of feathers may indicate the bird's mood, help keep it camouflaged or be used to show aggression.