What is the meaning of chair in a brain teaser?

What are the function of the resting cartilage zone? Why is snot not the goo from the brain? Etymology of hypertension? What is the meaning of Life is as tedious as a twice told tale Vexing the dull ear of a drowsy man? Can a doctor tell how many weeks pregnant you are by doing a stomach examination? Why is potassium important to the cardiac muscle? How much does a sleep apnea mask cost? What condition makes a person noise sensitive? CAN BLOOD FLOW BACKWARDS AND FORWARDS IN THE BLOOD CELLS? Is there such thing as 15-15 vision? What is the most common type of schizophrenia? The digestive tract is also called the alimentary canal? Would alcohol in the evening cause morning high heart palpitations? Is it possible to have pregnancy symptoms one week after ovulation and sex you have frequent urination and am extremely tired and hungry all the time also had a little bit of cramping? What 2 groups is the perpheral nervous system divided into? What occurs during a primary immune response and secondary immune response? During digestion what molecule enters the cell? Are freckles spots of dirt? What Signals from what make skeletal muscles move? Can a negative ANA test be caused by low IgA and IgM antibodies?