A sponge is a member of the phylum Porifera. It is a simple animal with many cells, but no mouth, muscles, heart or brain. It is sessile: it cannot move from place to place the way most other animals can. A sponge is an animal that grows in one spot like most plants do.Nevertheless, sponges are quite successful. sponge is a member of the phylum Porifera. It is a simple animal with many cells, but no mouth, muscles, heart or brain. It is sessile: it cannot move from place to place the way most other animals can. A sponge is an animal that grows in one spot like most plants do. Nevertheless, sponges are quite successful.
Nosocomial infections: Types list. The list of types of Nosocomial infections mentioned in various sources includes: 1  Nosocomial infections by site: 2  Urinary tract infections. 3  Surgical site infections.  Respiratory tract infections.
Brain diseases come in different forms. Infections, trauma, stroke, seizures, and tumors are some of the major categories of brain diseases.Here's an overview of various diseases of the brain.rain Diseases: Seizures. Included in the seizure category of brain diseases is epilepsy, a condition characterized by recurring seizures caused by abnormal and excessive electrical activity in the brain. Head injuries, brain infections, and strokes may cause epilsepsy, as well.