Body Systems Overview

Vocabulary flashcards covering eleven major organ systems and their main functions from the lecture notes.

Cardiovascular System

Transfers $O_2$ and $CO_2$.

Digestive System

Changes food into absorbable nutrients.

Nervous System

Controls muscles and glands via electrical impulse (electrical moves faster than hormones) and helps maintain homeostasis.

Endocrine System

Uses hormones to control cell function and helps control homeostasis.

Muscular System

Causes movement of bones.

Skeletal System

Serves as a framework and protects internal organs.

Reproductive System

Produces gametes (sperm and eggs).

Lymphatic System

Returns fluid to the bloodstream and fights bad pathogens.

Urinary System

Regulates composition of blood by eliminating waste, excess water, and minerals.

Integumentary System (Skin)

Waterproof barrier that blocks pathogens from entering the body and regulates body temperature.

Respiratory System

Maintains your blood $O_2$ and $CO_2$ levels.

Levels or organization

Chemical

Cellular

Tissue

Organ

System

Positive feedback

Constant loop caused by a change

Negative feedback

Body counters a change