There are six important function to tissues and organs: digestion respiration
circulation
conduction of nerve impulses
support
excretion
Oct 12 ­ 11:11 AM
Digestion
Single cell organisms digest their food _____________their cells.
Other animals use digestive enzymes _____________ of their cells. Oct 12 ­ 11:12 AM
Sep 24­9:24 AM
Gastrovascular cavity­ a digestive cavity with ______ opening. http://www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
Oct 12 ­ 11:13 AM
Other animals have a digestive tract with ______ openings (_______ and anus) This system allows for ________________.
Oct 12 ­ 11:14 AM
Respiration
Respiration is the uptake of ___________and the release of _______ __________.
It can only take place across a _______ surface.
Oct 12 ­ 11:16 AM
Simple animals use _________.
Complex animals have specific __________ structures.
Oct 12 ­ 11:17 AM
Circulation
_______ circulatory system _________ circulatory system Oct 12 ­ 11:19 AM
Conduction of nerve impulses
Members of all the major animal phyla except ________ have nerve cells.
Nerve net­ all cells are similar and _______ together
Oct 12 ­ 11:22 AM
Support
Hydrostatic skeleton­ water that is contained under pressure in a closed cavity. ____________
Exoskeleton­a rigid external skeleton ________________
Endoskelton­ hard material within the animal ______________
Oct 12 ­ 11:24 AM
Oct 12 ­ 11:25 AM
Excretion
Removal of wastes produced by cellular metabolism
Oct 12 ­ 11:26 AM