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.
If you mean kingdom like domain, phylum, and class then the kingdom is Animalia. Otherwise, monkeys belong in the monkey kingdom! Duh, they're are after all monkeys!ealworms belong to the Animalia kingdom. They are part of the  Arthropoda phylum and belong to the insecta class. Their scientific  name is Tenebrio molitor.