Interconnected porosity is a network of pores on a coating surface. There are two kinds of porosity - open and closed: Open porosity, also known as interconnected porosity, is the ratio of the volume of void space within the material that is accessible from the exterior to the bulk volume.
30.1 Respiratory and Circulatory Functions Oxygen-poor blood Oxygen-rich blood The respiratory and circulatory systems work together to maintain homeostasis. â¢ The circulatory system transports blood and other materials. âbrings supplies to cells âcarries away wastes âseparates oxygen-poor and oxygen-rich blood
The nervous system and the circulatory system work together in that  the brain sends signals to the heart that cause it to pump. The  circulatory system works with the excre â¦ tory system because waste  materials are transported by blood to the organs of the excretory  system. The nervous system works in your body by sending signals to other body systems for example the brain sends a signal to the circulatory system that tells the heart to pum â¦ p blood. 36 people found this useful.