What shape do the epithelial cells need to perform their functions. A Round and unattached
B Spirals and long
C Spikey and long
D Long and thin

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

Which particle controls what element an atom is?

The image shows a group of fish. the type of social behavior shown in the image is called