Collagen is a part of the connective tissue that in the skin helps in firmness, suppleness and constant renewal of skin cells. Collagen is vital for skin elasticity. Ligaments are another type of connective tissue that attach two bones and consequently hold the joints together.
There are at least 33 phyla (plural of phylum) of animals. Humans are members of the phylum Chordata. All of the chordates have elongated bilaterally symmetrical bodies. That is to say, the left and right sides are essentially mirror images of each other.
What phylum and class do parrots belong to? already exists. already exists as an alternate of this question. exists and is an alternate of. Are you an avid social media user yourself? What class and phylum do reptiles belong to? What phylum and class does a pigeon belong to? What phylum and class do the moth belong to? What phylum and class do ... Many species of parrots can even be taught how to talk. 2  However, parrots can also be vâ¦. 3  The Five Major Parts of the Brain At its most basic, the brain controls the body. 4  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement.