There are a number of different types of collagen; the most prevalent two in the human body are types I and III. In fact, type I collagen is the most abundant protein in the human body â it is present in almost every type of tis-sue.1 Bone contains almost exclusively type I collagen. The collagen network in bone confers structural strength
1 See some of Oahuâs gorgeous beaches â Kailua and Lanikai beaches. Some consider Lanikai Beach to be the most beautiful in the world. See our post on visiting beautiful Lanikai Beach.  Byodo-In Temple near Kaneohe is simply stunning.
Diamond Head State Monument is over 475 acres, which makes this dormant volcano an amazing and must see and one of the things to do in Oahu. This wide crater was formed during a single explosive eruption that sent ash and fine particles in the air of Oahu.