What functions does the muscular system perform?
it provides stability, movement, and posture.
it generates and conducts electrical signals.
it produces melanin, which protects from the sun.
it produces oil, which protects from foreign invasion.

i believe it would be the lungs.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles