Answer:
Your body has different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans there are about 200 different types of cells and within this cells there are about 20 different types of structures or organelles.
Answer:
In the human adult, the bone marrow produces all of the red blood cells, 60–70 percent of the white cells (i.e., the granulocytes), and all of the platelets. The lymphatic tissues, particularly the thymus, the spleen, and the lymph nodes, produce the lymphocytes (comprising 20–30 percent of the white cells).
Answer;
I think it's d,possible spread of tropical diseases.
The materials and equipment needed and procedures to follow in an experiment is termed as experiment protocol. It <span> is a predefined written procedural method in the design and implementation of </span>experiments<span>. Hope this answers the question. Have a nice day.</span>
