No.
Flies spread disease by piking up bacteria on their legs and then transporting it to other places.
Mosquitos transfer disease via blood.
not all mosquitoes carry diseases. But if they drink a diseased persons blood they can easily pass on the disease by passing on the blood to another.
There any number of communicable diseases ranging from colds to AIDs. These are any disease that can be passed from one person to another. Something has to carry the disease causing microbe. The microbe or virus could be in a sneeze or in the blood.
in their legs
C. It has increased the chances a person will carry a disease into another country.
Anemia is a disease where the blood doesn't carry enough oxygen, due to either a lack of blood cells or hemoglobin, or damage to the blood cells or hemoglobin.
mosquitos. they drink blood to suvive and carry blood diseases from one person or animal to another.
no, the red blood cells carry less oxygen when the person smokes
Sickle Cell Disease could be diagnosed in two ways. One way is that this can cause a number of problems since the blood can't carry oxygen as well in this person compared to an person who doesn't have it. The BEST way is by looking at a blood smear. Some of the Red Blood Cells are misshapen. There don't look like disks, but like a "sickle" blade. They are curved at two ends. They are not flexible and jam in the blood vessels and can't carry much oxygen.
mosquitos carry infected blood from those with malaria and when they bite another person the pathogen is passed onto them and they are likely to get malaria :)
Blood vessels carry blood from one place to another.
Sickle Cell Disease could be diagnosed in two ways. One way is that this can cause a number of problems since the blood can't carry oxygen as well in this person compared to an person who doesn't have it. The BEST way is by looking at a blood smear. Some of the Red Blood Cells are misshapen. There don't look like disks, but like a "sickle" blade. They are curved at two ends. They are not flexible and jam in the blood vessels and can't carry much oxygen.
Because they draw blood from one person and then bite another person with the same stinger.