• Anatomy describes the physical structures of the body

• Physiology describes the functions and inner workings of the body

• Each level of organization in the body builds on the next to form a larger structure

Body Organization & Related Terms

Cells and Organelles

• Cells are the smallest living things, which join to form tissues and contain organelles

• Each organelle has a special function within the cell, essentially acting as tiny organs similar to our bodies.

Body Tissues

Groups of cells of the same type working together for the same purpose

• Four main types

  • Connective tissue: provides supports, absorbs shock

  • Nervous tissue: conducts impulses to and from organs

  • Muscular tissue: important for movement

  • Epithelial tissue: forms the skin and membranes

Body Organs and Systems

• Organs —groups of tissues working together for the same purpose

• Body systems —groups of organs working together to perform a vital function

• Body systems work together to help the human body control, move, support, protect, and reproduce

• SLIC MEN R RED acronym spells out the body systems (mnemonic device)

Is composed of the brain, spinal cord, and nerves and its main function is body communication and control.

Nervous System

Body Systems & Functions

This systems major function is to protect the inner structures of the body and consists of the hair, skin, and nails.

Integumentary System

Body Systems & Functions

Main function is gas exchange, which provides oxygen and removes carbon dioxide. Consists of lungs, trachea, bronchi, pharynx, and larynx.

Respiratory System

Body Systems & Functions

The cardiovascular system, also known as the circulatory system, is a network of organs and tissues that supplies blood, oxygen, nutrients, and other vital substances to the body

Cardiovascular System

Body Systems & Functions

Is responsible for offspring reproduction and consists of the (WOMEN: ovaries, uterus, fallopian tubes), (MEN: testes, vas deferens, and prostate)

Reproductive System

Body Systems & Functions

The primary function is to provide movement for the body. Consists of muscles, tendons, ligaments.

Muscular System

Body Systems & Functions

Provides support and protection for the body. Consists of bones, joints, skull, ribs, femur, etc.

Skeletal System

Body Systems & Functions

Consists of the stomach, liver, pancreas, intestines, colon and provides nutrient breakdown and absorption.

Digestive System

Body Systems & Functions

consists of the kidneys, ureters, bladder, urethra, and provides waste filtration for the body.

Excretory System

Body Systems & Functions

The lymphatic system is part of the immune system. It keeps body fluid levels in balance and defends the body against infections.

Lymphatic System

Body Systems & Functions

The endocrine system is a network of glands and organs that produce hormones that regulate many bodily functions

Endocrine System

Body Systems & Functions