what happens when transitioning between photosynthesis and cellular respiration?

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.

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Which could be a pathway of food through an ecosystem