<span>radio waves, microwaves, gamma rays, X-rays, visible rays
Hope this helps</span>
I believe the answer is Integumentary, Hope this helps ")
As food moves through the digestive tract, it spends the most time in the large intestines. This is because of the need to absorb water and partially digest fiber.
Answer: Single cell organisms dont need a respiratory system because oxygen and carbon-dioxe diffuses between their body tissues and the enviorment.
