network of organs and vessels that transport blood throughout the body. | arrow_right_alt | |
an organ system composed of all the muscles in the body. | arrow_right_alt | |
a biological system that removes excess, unnecessary materials from the body fluids of an organism. | arrow_right_alt | |
the network of organs and tissues that enables the exchange of oxygen and carbon dioxide between the body and the environment. | arrow_right_alt | |
the group of organs in the body that work together to break down food into nutrients. | arrow_right_alt | |
a complex network of cells, tissues, and organs that controls and coordinates all bodily functions and behaviors. | arrow_right_alt | |