Phagocytosis, process by which certain living cells called phagocytes ingest or engulf other cells or particles. The phagocyte may be a free-living one-celled organism, such as an amoeba, or one of the body cells, such as a white blood cell.
Mud slide bacteria i don't understand the third one
Answer:
Respiratory system
Explanation:
Like other fishes, sharks extract oxygen from water as it passes over their gills.
From my research,the answer is there is no most important parts that form in a fetus. While a child is in their mothers womb every moment that fetus is growing and forming into a soon to be born baby is important .
Hand washing is of importance for its hygenic and cleanliness is important and reduces bacteria and potential viruses and its best if The average human washes their hands if they engage in activities that are messy or not hygenic and its common and necessary that washing ur hands is something we humans do a lot of. Hope this helped.