Asthma is a lung disease that makes breathing difficult for millions of Americans. There is no cure for asthma, but the good news is it can be managed and treated so you can live a normal, healthy life. The American Lung Association is committed to supporting those affected by asthma. We offer a variety of resources and information about the disease.
The functions of life are movement, respiration, sensitivity, growth, reproduction, excretion and nutrition. Mrs Gren in school biology. The question does not ask that these units be able to carry out the functions of life independently, so the answer would be viruses in this case.
The cell is the smallest organism that is living and is capable of growth, development, respiration, excretion and reproduction. Almost all organisms, except protozoans are multicellular. The cells combine together to make tissues, which make up organs. Cells, tissues and organs are responsible for performing the basic functions of a living organism which keeps the organism alive. Tissues are an organization level between cells and organs.