Collagenous fibers are very abundant in __________.  

Name the highlighted in green, bones:   

Critical thinking: If a thyroid tumor secreted an excessive amount of calcitonin, we would expect ___________.  

What type of tissue is shown in the photo?    

Name the highlighted in green, bony landmarks:   

Using the figure below, match the following with a LETTER: Location of the epiphyseal line.  

What is the name of the highlighted parts in green, in the photo?  

Variations in hair color arise from differing amounts of __________. 

Name the highlighted in green, bony landmark   

Chondrocytes multiply in the zone of __________ of the metaphysis.