Answer the photo below thanks I have redone this test 3 times because no one gets me right answer please help

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

Kareem saves his coins in a jar30 percent of the coins are pennis if threre are 24 pennis in the jar how many coins does kareem have

One form of plagiarism involves a. using an author's organization or sentence structure without citation. b. referring to information that is common knowledge. c. introducing a quotation with a signal phrase. d. restating an author's ideas in your own words with a citation.