Examlex
When blood calcium levels fall,the ________ glands cause greater calcium release from the bones.
Proglottids
Segments that make up the body of tapeworms, each containing a complete set of reproductive organs, and capable of developing into a new organism.
Scolex
Tapeworm head region; contains hooks and suckers for attachment to host.
Chitin
Strong but flexible nitrogenous polysaccharide found in the exoskeleton of arthropods and in the cell walls of fungi.
Integument
The outer protective layer or covering of an organism, which in animals is usually the skin, and in plants, the epidermis or outer layer.
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