Answer:
Blood is composed of several types of cells:
- <u>RED BLOOD CELLS</u>: They are the oxygen carriers of the body i.e. they pick up the oxygen as the blood goes through the lungs & release of oxygen to cells.Also known as erthrocytes
- <u>WHITE BLOOD CELLS</u>: also known as leukocytes.They are the soldiers of the body.Aims at fighting against the infections ( caused by bacteria & virus)
- <u>PLATELETS</u> : helps in the blood clot in response to any wound or injury
There are five types of white blood cells & approx %age they made up in blood are:
•Neutrophils (55% to 70%)
•Band neutrophils (0% to 3%)
•Lymphocytes (20% to 40%)
•Monocytes (2% to 8%)
•Eosinophils (1% to 4%)
•Basophils (0.5% to 1%)
When children are more than 4 year old they have higher % age of lymphocytes than the adults do.
Answer: The skin and the bone marrow.
The bone marrow needs to be constantly producing all the blood cells because they don't have a long life and they need to be in big amounts. The skin cells, also need to be constantly dividing to replace old, dead, or damaged cells.
The liver cells are another example because they can regenerate after they become injured.
Approximately 49 percent of all motorcycle crashes occur when the other vehicle was turning left.
Every year number of motorcycle accidents are changes and the percentage is also changed accordingly, so this the approximate range.
Each year in many countries, motorcycle crashes kills thousands of people and thousands are injured.
Motorcycle accidents mostly happen when a car driver makes a left turn which is going in front of a motorcyclist.
Answer:
I’m pretty sure that it is viruses!
Explanation:
The iris, which is the ring of pigmented tissue surrounding the pupil that varies in color