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.
The average class size for grades 4-7 in B.C. is 25.7. In Alberta, which also has no caps, itâs 23.2 for grades 4-6, while in Ontario, thereâs a provincial mandate that the average in each school district must be 25 for grades 4-8. The provincial government has a hard cap of 22 students for kindergarten classes and 24 students from Grade 1 to Grade 3.