Describe a function of each of the components making the tissues of the air passage of the human breathing system ? 6 marks ( I not able to understand question plz tell what to write here)

According to the loco mass the mass of reactants and products

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?