The term of the tiny air sacs are called Aveoli.
For the answer to the question above,
<span>DNA is made up of two nucleotide strands. The nucleotides are connected together by covalent bonds within each strand. The sugar of one nucleotide forms a covalent bond with the phosphate group of another. The two strands themselves are connected by hydrogen bonds. The hydrogen bonds are found between the bases of the two strands of nucleotides. Adenine forms hydrogen bonds with thymine whereas guanine forms hydrogen bonds with cytosine. This is called complementary base pairing</span>
Genetic information is passed from parent to offspring, with no genetic variation.
THE NUCLEIC ACID stores information that help cells make the substance they need.
The nucleic acid in form of DNA is the molecule which stores all the information that a cell need to grow and stay alive all through its life span. All the activities of the cell is controlled by its DNA.