1. Which of the following is the minimum level of structure needed to perform the function of waste removal? (1 point)
body system
tissue
cell
organ
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To determine the minimum level of structure needed to perform the function of waste removal, we need to understand the hierarchy of organization in the human body.
The human body is organized into several levels, starting from the smallest building blocks called cells, which are further organized into tissues, then organs, and finally body systems.
Cells are the basic units of the human body. They carry out specific functions and are the smallest level of structure capable of performing essential tasks. However, individual cells alone may not be capable of removing waste substances effectively.
Tissues are groups of similar cells that work together to perform a specific function. While certain types of tissues participate in waste removal, they alone do not have the capacity to fully carry out this function.
Organs are composed of different types of tissues that work in harmony to perform specific functions. Some organs, such as the kidneys and lungs, play a crucial role in waste removal. They have specialized structures and mechanisms to filter and eliminate waste products.
Body systems are groups of organs that work together to perform specific functions. In the context of waste removal, various body systems contribute to this process, such as the urinary system, respiratory system, and digestive system.
Considering the options given, the minimum level of structure needed to perform the function of waste removal is an organ. Organs are made up of tissues, and multiple organs working together form a body system. So, while tissues play a vital role in waste removal, they cannot perform this function independently. Organs, on the other hand, are specialized structures that join different tissues and perform specific functions, which includes waste removal.