Please don't give useless answers​

Identify the structure of the human heart which is a muscular chamber that pumps blood out of the heart and into the circulatory system.

The restaurant joe's tasty burgers just created a new hamburger that they call "the joe special." they want to protect the name of the burger so that no other restaurants can claim the name for themselves. what protection will they need on the name "the joe special"? a. fair use b. copyright c. trademark d. patent

2. discuss some major differences between the satellites present with each planet.