Does LAN speed distributes among connected terminals on load

Hi All, I have a 100Mbps LAN with 10 connected terminals through a Switch. Now, I understand 100Mbps is the max speed at which a terminal can send/receive data. If every terminal sends data at this speed, then does this speed distributes/divides according to load, or is it dedicated for each terminal. How to measure it? -- Manavendra Nath Manav