Which is most complex? (1 point)
• organ system
O cells
• tissues
• organs
The most complex out of the given options would be the organ system.
The organization of complexity from lowest to highest would be: cells, tissues, organs, and organ systems. Therefore, the most complex option among the choices given is the organ system.
To determine which is the most complex among organ systems, cells, tissues, and organs, it is helpful to understand their hierarchical structure.
Let's start with cells. Cells are the basic structural and functional units of all living organisms. They are capable of performing specific functions and can vary significantly in complexity. However, compared to the other options, cells are the simplest.
Next, let's look at tissues. Tissues are groups of similar cells that work together to perform a specific function. Various types of cells form different tissues such as muscle tissue, nervous tissue, and epithelial tissue. Tissues are more complex than individual cells as they involve organized interactions between different cell types.
Moving up the complexity ladder, we have organs. Organs are composed of different tissues working together to carry out specific functions. Examples of organs include the heart, liver, brain, and lungs. Organs are more complex than tissues since they involve the coordinated interaction and integration of multiple tissue types.
Lastly, we have organ systems. Organ systems are groups of organs that work together to perform a specific bodily function. Examples of organ systems include the circulatory system, respiratory system, and nervous system. Organ systems are the most complex among the options you mentioned, as their functioning relies on the integration of multiple organs working together to accomplish larger-scale tasks.
Therefore, the most complex option among organ systems, cells, tissues, and organs is the organ system.