“Like five Across answers by five Down answers in this puzzle, literally and figuratively”

It protects the heart

Egyptian god of the underworld

Dr.'s order?

Substances found in cured meats and explosives

Theme park with attractions like The Count's Splash Castle and Oscar's Rusty Rotten Rockets

High marks

"That's enough bickering!"

Valletta's land

Sci-fi protagonist who says "I don't like the idea that I'm not in control of my life"