Why are multicell organisms considered complex

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Which of the following substances most likely dissolve in water? check all that apply •paraff