Hi ma'am
This week our lesson is about the circulatory system I learned that the main function of this is to deliver food and oxygen in our body cells and collect all the wastes in our body cells. There also the open and closed circulatory system the human is a good example of closed circulatory system.Our lesson also include the tissue fluid, lymph, and the lymph vessels. The major components of the blood are the red blood cells, white blood cells, and the platelets.
That's all ma'am
Thank you...
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