In both "The Courage That My Mother Had" and "My Father Is A Simple Man", the speakers express great <u>respect</u> for his parents.
Explanation: In "The Courage That My Mother Had", the speaker praises his mother for her courage, and in "My Father Is A Simple Man", he admires his father's wisdom. The theme in both poems is that everyday people can be heroes.
The brain is the most vital organ in the human body because they're more developed than the brains of other animals. However, humans have traits that other animals don't, such as, the ability to think, ability to invent new ideas, and ability to remember.