White blood cells which are also called leukocytes, are an important part of the immune system. There are five major types of white blood cells that are neutrophils, lymphocytes, eosinophils, monocytes and basophils.
These cells help fight infections by attacking bacteria, viruses, and germs that invade the body.
White blood cells originate in the bone marrow but circulate throughout the bloodstream.
An average normal range is between 3,500 and 10,500 white blood cells per microliter of blood (mcL)
Answer: Like the thread, molecule of DNA is so thin, around 2 nm in length so, it cannot be seen with the naked eye. When DNA is clumped together, it is visible. To see or examine the DNA, it must be isolated from the cell and examine under microscope. Strands of DNA should be released from the nuclei of the cell and should be separated from other components such as histone protein around which it is coiled, before examining it.
Answer:
The most common reasons adults don't adopt more
physically active lifestyles are cited as:
insufficient time to exercise.
inconvenience of exercise.
lack of self-motivation.
non-enjoyment of exercise.
boredom with exercise.
lack of confidence in their ability to be physically
active (low self-efficacy)
Explanation:
keep smiling
Answer:
i have a heart condition called a mihtachartiabridge and it is were my hear has two artoires that oop back and through my harts and so whn my heat beats it squeezes thoes artoires cuasing lack of blood and oxygen needed to part of my body.
Explanation:this is an actual codition of mine and you can use it if you want
<span>They usually cannot grow back.</span>
