Bacteria enters the tonsils that contain lymph when you breath......open
The lymphatic system picks up fluid leaked from blood vessels and returns it to the blood; disposes of debris in the lymphatic stream; and houses white blood cells involved in immunity.
A closed system is defined as a system which is self contained. It does not exchange material, information or energy with its environment for example system in manufacturing are often designed to minimise unwanted exchanges with the environment outside the system, so that manufacturing process can operate without disturbance from supplier, customer etc. A computer programme is also a relatively closed system because it accepts only previously defined inputs, process them & provides previously defined outputs. open system exchanges information, material & energy with the environment i/c random & undefined inputs, examples are biological system & organisational system.
A closed operating system is that does not allow you to have root access to the file system (ex. delete files or change files related to the graphical interface or how your computer does things)An example of this type of operating would be iOS which runs on iPod touches, iPhones, Apple TV, and iPad. An open operating system is the exact opposite of a closed operating system and is how all operating systems on a computer work which includes Mac OSX, Windows 7,XP, Vista, and Linux.
No, I am in front of my system in a closed room.
Farrah Fawcett died with her eyes closed.
get a life you nerd
The light bulb is a closed system: no mass transfer.
Closed System
closed.
Closed System
closed system
Amphibians have closed circulatory system Closed
closed system
closed circulatory system
Odviously-it's-a-closed-system-what-really-come-in-and-out-of-the-earths-crusts...
A battery-operated wrist watch is a closed system. A wind-up wrist watch is an open system.
closed