Bronchoconstriction is treated by inhaled a. histamine antagonists b. opiates c. pentobarbitals d. cholinergic antagonists

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.

Which description provides the best objective summary of the article in the passage?

Which organ controls breathing? lungs alveoli heart diaphragm