What two structures work together to change the volume of the chest during ventilation?
trachea and bronchi
pharynx and larynx
alveoli and capillary
intercostal muscles and diaphragm

yes we can.   a lady urinates from her urethra.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.