Which of the following are the functions of the skeletal system? Largest organ of the body for defense and support

Vitamin D production and pumping blood through vessels

Blood cell production in soft marrow tissues and mineral reserves

Voluntary movement and contractile movement

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Is there any solid scientific evidence that humans have been cloned?