- Life Sciences
the space that exists between the two layers of the pleura.
neurons that transmit nerve impulses away from the central nervous system to the effectors.
animals with three cellular body wall layers: the ectoderm, mesoderm and endoderm.
a sac-like structure in plant cells that contains the cell sap. It supports the cell and helps...
rain that contains high levels of sulfuric acid, hydrochloric acid and nitric acid.