internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
Water expands as it freezes, so ice generally has more oxygen in it than liquid water, making it denser.
I think it is 3 but im not 100% sure
Is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.
