This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 22 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
uses nerve cells to pass electrical impulses along their length
stimulated target cells which secrete chemicals
produces chemical that are transported in the blood plasma to their target cells
specialised cells adapted to rapidly carrying electrochemical changes
a cell body, dendrons, axon, Schwann cells
extensions of the cell body
a single long fibre
surround the axon
covers the axon, made of Schwann cells
constrictions between adjacent Schwann cells
impulses from receptors to intermediate
impulses from intermediate to an effector