Human Body Systems Review

Front

What is a multi-cellular organism?

Back

An organism made up of many cells that have different functions, working together for survival.

Front

What is a single-celled organism?

Back

An organism that consists of only one cell, which performs all life processes.

Front

What is the main function of the respiratory system?

Back

To exchange oxygen and carbon dioxide between the body and the environment.

Front

What is the main function of the circulatory system?

Back

To transport nutrients, gases, and waste products throughout the body.

Front

How do unicellular and multicellular organisms differ?

Back

Unicellular organisms consist of one cell, while multicellular organisms are made up of many cells with specialized functions.

Front

What is the role of nutrients in living organisms?

Back

Nutrients are substances that provide energy and materials for growth and repair.

Front

What is the relationship between the digestive system and the circulatory system?

Back

The digestive system breaks down food into nutrients, which are then absorbed into the circulatory system for distribution.

Front

What is homeostasis?

Back

The process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is the function of specialized cells in multicellular organisms?

Back

Specialized cells perform specific functions that contribute to the overall functioning of the organism.

Front

What is the importance of oxygen for living organisms?

Back

Oxygen is essential for cellular respiration, a process that produces energy for cells.