Keywords
Abstract
Blood is a vital fluid that circulates throughout the human body, delivering oxygen and nutrients while removing carbon dioxide and waste products. The corpuscular elements of blood—red blood cells, white blood cells, and platelets—play essential roles in maintaining life and health. This paper provides an overview of these elements, focusing on their structure, function, and physiological significance. Understanding these components helps in diagnosing and treating various blood-related disorders, as well as improving general medical knowledge of hematology.
References
World Health Organization. (2020). *WHO guidelines on physical activity and sedentary behaviour*. Geneva: World Health Organization.
2. Lee, I.-M., Shiroma, E. J., Lobelo, F., Puska, P., Blair, S. N., & Katzmarzyk, P. T. (2012). Effect of physical inactivity on major non-communicable diseases worldwide: an analysis of burden of disease and life expectancy. *The Lancet*, 380(9838), 219-229.
3. Kandola, A., Ashdown-Franks, G., Hendrikse, J., Sabiston, C. M., & Stubbs, B. (2019). Physical activity and depression: Towards understanding the antidepressant mechanisms of physical activity. *Neuroscience & Biobehavioral Reviews*, 107, 525-539.
4. Ratey, J. J., & Hagerman, E. (2008). *Spark: The Revolutionary New Science of Exercise and the Brain*. Little, Brown and Company.
5. Eime, R. M., Young, J. A., Harvey, J. T., Charity, M. J., & Payne, W. R. (2013). A systematic review of the psychological and social benefits of participation in sport for adults. *International Journal of Behavioral Nutrition and Physical Activity*, 10(1), 135.