Hello
It is because ur mouth is a dark and warm place which is the perfect environment for bacteria to grow and survive. It doesn’t matter if u brush it really well on ur tounge there and groves in ur tounge where the toothbrush bristles cannot reach and clean so that is where the bacteria lives.
Hope this helps
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C. membrane bound organelles and no distinct nucleus
Answer:
O Red Blood cells
Explanation:
The Universal Donor. O- blood type is the universal red blood cell donor because their red blood cells can be transfused into any patient, regardless of blood type. O- red cells must be used for trauma situations and other emergencies when the patient’s blood type is not known. O- red cells are also frequently used for babies and sickle cell anemia patients.
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