Body Systems

The study of the shape and structure of an organism and its parts.

Anatomy

The study of the functions of a living organism and its parts.

Physiology

Towards the front.

Anterior

Towards the back.

Posterior

Towards the head.

Superior

Towards the feet.

Inferior

Provides protection for the body, allows sensation, regulates body temperature, and makes vitamin D.

Integumentary System functions

Skin, hair, and nails.

Integumentary System parts

Provides shape, support, and protection for the body, while allowing it to move.

Skeletal System functions

Bones, cartilage, joints, and marrow.

Skeletal Tissue parts

Controls all movement in the body.

Muscular System functions

Muscles, tendons, and ligaments.

Muscular System parts

Breaks down food so that it becomes a form that can be used by the body, then gets rid of food waste.

Digestive System functions

Mouth, tongue, throat, esophagus, stomach, small intestine, large intestine, pancreas, liver, and gallbladder.

Digestive System parts

Removes liquid wastes from the body.

Excretory System functions

Bladder, kidneys, urethra, ureter, skin, and lungs.

Excretory System parts

Supplies oxygen and removes carbon dioxide.

Respiratory System functions

Nose, larynx, trachea, bronchi, lungs, bronchioles, alveoli, and diaphragm.

Respiratory System parts

Circulates food and oxygen to all body cells, as well as carries cell wastes for removal; distributes white blood cells around the body to fight infections; helps regulate body temperature.

Circulatory System functions

Heart, veins, arteries, capillaries, and blood.

Circulatory System parts

Lymph leaked from the blood vessels filters and protects the body from threats, such as bacteria and viruses.

Lymphatic System functions

Lymph nodes, spleen, tonsils, bone marrow, thymus gland.

Lymphatic System parts

This network of defenses detect, isolate, and destroy harmful substances.

Immune System functions

Nonspecific: skin, mucous membranes, inflammation, fever; specific: lymphocytes (white blood cells).

Immune System parts

Sends messages to control all body function; receives signals and processes information; transmits responses to organs.

Nervous System functions

Brain, spinal cord, nerves.

Nervous System parts

Regulates and controls growth, development, and various body functions by releasing chemical signals called hormones into the bloodstream.

Endocrine System functions

Pancreas, pituitary gland, adrenal glands, thyroid gland, parathyroids.

Endocrine System parts

Creates and protects new human life.

Reproductive System functions

Reproductive organs.

Reproductive System parts