Biology and Human Body Systems

Front

Nervous System

Back

The brain, spinal cord, nerves, and sensory organs (eyes, ears, nose, tongue, skin) make up the nervous system. It gathers and relays information about surroundings to the brain.

Front

Skeletal System

Back

Contains all bones and cartilage. Supports body shape, protects internal organs, stores calcium and minerals, and works with the muscular system for movement.

Front

Muscular System

Back

Controls voluntary and involuntary movement through contracting and relaxing. Made of muscles.

Front

Cerebrum

Back

The front and top of the brain. Controls thoughts and actions. Divided into left and right hemispheres.

Front

Cerebellum

Back

Located at the bottom back of the head. Controls balance, movement, and coordination.

Front

Brain Stem

Back

Controls involuntary vital processes such as breathing, digestion, and heart pumping. Connects the brain to the spinal cord.

Front

Tendon

Back

A cord of strong flexible tissue that connects bone to muscles.

Front

Ligament

Back

A tissue that connects bone to bone.

Front

Vertebra

Back

The bones that make up the spine and protect the spinal cord.

Front

Cell

Back

The smallest, most basic unit of life.