Answer:
fluid-filled cavity
Explanation:
Rhynchocoel is a fluid-filled tubular cavity present in the organisms of the phylum Nemertea. This cavity lies above the intestines of these organisms in the lower body.
Nemertea is a phylum composed of worms that can be found in shallow water.
These worms have already been classified as a branch of the Flatworms (such as Planarians), with which they are often confused. But recent embryological and molecular evidence points to a phylogenetic relationship with mollusks and annelids. They remind the Flatworms to be non-segmented flat worms. But unlike these, they have a complete bowel with mouth and anus, and a closed vascular system. The article on Planarians can be accessed here.
Cell wall, cell membrane, nuclear membrane.
Answer:
equirements of food law, establishing the European Food Safety Authority (EFSA) and laying down procedures in matters of food safety (1). The Authority has its permanent seat in Parma, Italy. According to Article 28 (5) of the Regulation, the Authority's Scientific Committee and Scientific Panels are renewable every three years.
Explanation:
Most of anti-anxiety agents work by depressing the central nervous
system activity. They
produce a calming effect by potentiating the effects of gamma-aminobutyric acid
(GABA), one of the inhibitory neurotransmitters and thereby reduces the
transmission of nerve impulses. In addition, they act particularly on the
limbic system and the reticular activating system.
