In humans there are 12 pair of ribs .The 8th 9th and 10th pair of ribs are called false ribs as the are connected to the 7th rib by a cartilage. And 11th and 12ths pair of ribs are called floating ribs.
White coated tongue is a common sign of fungal infection known as Oral Thrush. As it is mostly caused by overgrowth of fungus called Candida, this condition is also referred to as Candidiasis of the mouth and throat.
The tongue appears to have a thick, white coating due to inflammation and trapped particles, such as dead cells and bacteria. The causes of a white tongue coating are varied. Usually, white tongue poses little concern and may be caused by dehydration, mouth breathing, medications, alcohol use, smoking, or fever.