Bone marrow. The inside of your bones are filled with a soft tissue called marrow. There are two types of bone marrow: red and yellow. Red bone marrow is where all new red blood cells, white blood cells, and platelets are made.
Mine is 8m x 7m (3m is 10 feet, so around 27 x 23 feet). This is normal for an Australian classroom, although there's a fair bit of variation.
Special Education Guide. Inclusive classrooms might contain several students with special needs who are mainstreamed full time into the general classroom, or one or two students who spend time each day in both a special education classroom and a general classroom.