Can someone answer this questions

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

What do we call the process when two dominant alleles are expressed and do not blend? a. incomplete dominance b. codominance c. multiple alleles

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture