A security camera can come in many different shapes including dome, bullet and c-mount. C-mount camera can specifically hold custom lens, so you can design exactly the kind of lens you need for your security situation. The best security camera for you will depend on where and when you plan to use it.
1 Transports O2, CO2, nutrients, hormones, heat and wastes. 2  Regulates pH, temperature, water content of cells. 3  Protects against blood loss through clotting. 4  Protects against disease through phagocytic white blood cells and antibodies. 5  The process by which blood is made is called Haemopoiesis.
In unicellular (single-celled) organisms, the single cell performs all life functions. It functions independently. However, multicellular (many celled) organisms have various levels of organization within them.Individual cells may perform specific functions and also work together for the good of the entire organism.xamples-blood cells, nerve cells, bone cells, etc. LEVEL 2 - Tissues. Made up of cells that are similar in structure and function and which work together to perform a specific activity. Examples-blood, nervous, bone, etc.