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The white blood cells are the structured main base in the immune system.
The two main functions of the reproductive system are in the production of egg and sperm cells and in procreation. Other functions include the production of hormones and the transportation of cells.
Hemoglobin is the main constituent of red blood cells, and as such, it belongs to the circulatory system.
The main organ of the circulatory system is the heart, and it pumps blood to the cells of organs and tissues, giving them oxegyn and removing carbon dioxide.
phagocyte is the main cell of immune system
Neurons and glia cells
The white blood cells are the structured main base for the immune system.
No
macrophages, killer T cells, helper T cells, and B cells
The white blood cells are the structured main base in the immune system.
The two main functions of the reproductive system are in the production of egg and sperm cells and in procreation. Other functions include the production of hormones and the transportation of cells.
Hemoglobin is the main constituent of red blood cells, and as such, it belongs to the circulatory system.
white blood cells, they raid off bacteria
To transport nutrients and oxygen to the cells of the body.
The main organ of the circulatory system is the heart, and it pumps blood to the cells of organs and tissues, giving them oxegyn and removing carbon dioxide.
For non-insects, its the transportation of oxygen and nutrients to the cells and wastes away from the cells.