Which is a function of mucus in the lungs? it prevents food from entering the lungs. it carries carbon dioxide to the body cells. it traps particles such as dust and pollen. it forms a thin tissue that lines the alveoli.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids