A boy feels hungry and then eats a piece of burger. Describe how his nervous system worked. Include atleast four parts of the system pls I need this help meee!

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

he would use the colour black

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock