Human Body Systems

Vocabulary flashcards covering fundamental concepts related to human body systems and their functions.

What are organ systems?

Groups of organs that work together to perform complex functions in an organism.

What is the circulatory system?

System that enables blood flow throughout the body, containing the heart, blood, and blood vessels.

What is the digestive system?

System responsible for breaking down food and absorbing nutrients.

What is the endocrine system?

System that regulates bodily functions through hormones.

What is the exocrine system?

Also known as the Urinary System, it deals with the excretion of waste.

What is the immune system?

System that protects the body from disease and foreign invaders.

What is the integumentary system?

System that includes the skin and protects against environmental hazards.

What is the muscular system?

System responsible for the movement of the body through muscle contractions.

What is the nervous system?

System that coordinates body activities by transmitting signals between different parts of the body.

What is the reproductive system?

System responsible for producing offspring; includes male and female organs.

What is the respiratory system?

System that facilitates the exchange of gases, primarily oxygen and carbon dioxide.

What is the skeletal system?

System that provides structure and support to the body, consisting of bones and joints.

What are organelles?

Structures within a cell that perform specific functions.

What is the function of the mitochondria?

An organelle that provides energy for the cell.

What are tissues?

Groups of similar cells that perform a specific function.

What is muscle tissue?

Type of tissue that enables movement through its ability to stretch and contract.

What are organs?

Structures composed of different tissues specialized to perform specific functions.

What is the heart?

An organ that pumps blood throughout the circulatory system.

What is meant by 'division of labour' in biological organisms?

The specialized functions of cells that contribute to the overall function of an organism.

What is a cell?

Basic unit of life that is the building block of all living organisms.

What are multicellular organisms?

Organisms that are made up of many cells working together.

What are complex systems?

Groups of interrelated parts working together to accomplish a larger function.

What is organ system interaction?

How different organ systems work together to maintain homeostasis.

What is homeostasis?

The tendency of an organism to maintain stable internal conditions.

What are nerve cells?

Cells that transmit signals through the nervous system.

What is nerve tissue?

Tissue composed of nerve cells and supporting cells that transmit electrical impulses.

What is the brain?

An organ that serves as the control center of the nervous system.

What is organ function?

The specific tasks carried out by an organ to support life.

What is oxygen transport?

The process by which oxygen is distributed throughout the body via the circulatory system.

What are blood vessels?

The conduits through which blood flows in the circulatory system.

What is the hierarchical organization known as 'cells to systems'?

The hierarchical organization of life, moving from cells to tissues to organs to organ systems.

What are specialized functions?

Unique roles that different cells, tissues, and organs develop to contribute to the organism's ability to survive.