Cancer develop when body's normal control mechanism stop working.Old cell do not die and instead grow out of control,form a new abnormal cell.These cell form a mass of tissue called tumor.
Cells<span> are the basic units of life. </span>Cells<span> can exist by themselves, like bacteria, or as part of a larger organism, like our </span>cells<span>. </span>Viruses<span> are non-living infectious particles, much smaller than a </span>cell, and need a living host to reproduce. The genetic material of thecell<span> is DNA, a double stranded helix.</span>
Answer: cellular report occurs in the respiratory system or the lungs and nasal cavity
explanation: it happens because when we intake oxygen, it reacts with glucose present in our body. this reaction gives out carbon dioxide, water and energy as products.
:))
It reproduce by a process call Binary Fission
