Body Systems



6th Grade Body Systems Study Guide

Cells-The basic building blocks of life.

Tissues- Groups of similar cells that do the same kind of work.

Organs-Structures made up of different types of tissues that all work together.

Body Systems-Groups of organs that perform a body function.

Main Body Systems and Their Functions

Skeletal System-body system consisting of bones and connecting tissues

Joints- places where one bone meets another

Muscular System- all muscles in your body

Respiratory System- enables you to breathe.

Lungs-The main organs of the respiratory system.

Diaphragm-A large muscle at the bottom of the chest.

Circulatory System- Allows the body to move blood to and from tissues.

Heart-The muscle that acts as the pump for the circulatory system.

Blood Pressure-The force of blood pushing against the blood vessel walls.

Digestive System-controls the process of digestion.

Digestion- The process by which your body breaks down food into small nutrient particles.

Excretory System- Gets rid of some of the wastes your body produces and also maintains fluid balance.

Nervous System- The control and communication system of the body.

Spinal Cord- A tube of neurons that runs along the spine

Skeletal System Muscular System Respiratory System Circulatory System

Nervous System Excretory System Digestive System

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