Human Biology Lecture Notes

Vocabulary flashcards covering the systems of the human body and their primary functions based on the lecture notes.

Cell

The basic building block of all organs and systems in the body.

Organ systems

The result of cells combining to form organs, which then work together as a structural hierarchy.

Nervous system

The command center of the body responsible for thinking, reasoning, senses, and controlling movement, temperature, and heart beating.

Endocrine system

A system that uses chemical signals to control growth and metabolism.

Respiratory system

An energy resource system that brings $O_2$ into the body and removes $CO_2$.

Digestive system

A system that breaks food into nutrients and absorbs them for the body's use.

Circulatory system

A system that transports nutrients, hormones, and waste products throughout the body.

Urinary system

A system that filters waste from the blood and removes it from the body.

Skeletal system

A system that provides structure, protects internal organs, and helps with the production of blood cells.

Muscular system

A system that works with bones to facilitate movement, maintain posture, and generate heat.