Glands that produce secretions which are transported through ducts to their destinations, including sweat glands, salivary glands, and mucous glands.

The influenza virus cause the flu, but not other diseases. why?

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. answer is gas

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas