Bio Test 5

• Holds the long digestive tube.
• divided into two parts
• •thoracic cavity contains the heart and lungs
• •abdominal cavity contains the stomach, intestines, and liver

• A group of cells of the same type that perform a particular function.
• Four general classes of tissues
• Epithelial
• Connective
• Muscle
• Nerves

Body structures comprised of several different tissues grouped together into a larger structural and functional unit

•skeletal

•circulatory

•endocrine

•nervous

•respiratory

•immune and lymphatic

•digestive

•urinary

•muscular

•reproductive

•integumentary

Protects the tissues beneath them from dehydration

• Provides sensory surfaces
• •many of a vertebrate’s sense organs are
• modified epithelial cells

• Secretes materials
• •most secretory glands are derived from pockets of
• epithelial cells

• Squamous
• Cuboidal
• Columnar

• Defense (Cells of the immune system)
• Support (Cells of the skeletal system)
• Storage & Distributuon (Blood & fat cells)