Unit 2 Section 1: Organization of Systems Vocabulary

Vocabulary terms and definitions covering biological organization, systems, and specialized structures from Unit 2 Section 1.

Cell

The basic structural unit of all living organisms.

Circulatory System

The body system that circulates blood and delivers materials throughout the body.

Digestive System

The body system that breaks down food into its molecular components and absorbs the components into the bloodstream.

Endocrine System

The biological system that consists of groups of glands responsible for the secretion of hormones.

Excretory System

The organ system that removes waste from the body.

Function

The purpose with which something serves.

Integumentary System

A system of organs and tissues that protects the body from external damage and water loss.

Multicellular

Composed of more than one cell.

Musculoskeletal System

The combination of the skeletal and muscular systems that provides support, movement, strength, and balance.

Nervous System

A group of organs and tissues specialized for the rapid transmission and processing of information.

Organ System

A group of organs that work together to carry out a specific task.

Organism

Single, self-contained entity that performs all of the basic functions of life.

Phloem

Plant tissue that transports sugars produced by the leaves throughout the plant.

Reproductive System

A system that includes a group of organs that function to produce offspring.

Structure

The physical arrangement of the tissues, organs, or organelles of an organism.

Xylem

Plant tissue that transports water absorbed in roots throughout the plant.

System

A group of interacting, interrelated, or interdependent elements forming a complex whole.