Helper T cells <span>are required for almost all </span>adaptive immune responses<span>. They not only help activate B </span>cells to<span> secrete antibodies and macrophages </span>to<span> destroy ingested microbes, but they also help activate cytotoxic </span>T cells to<span> kill infected target </span>cells<span>.</span>
Answer:
A. Organ.
Explanation:
Cells make up
tissues, tissues make up an organ. Organs make organ system
Answer: Osmosis Jones is a 2001 part animated, part live action film whose title character is Osmosis Jones, a white blood cell who takes on a deadly virus.
Determine whether the following symbols are universal or contextual. In "The Nightingale and the Rose,"
Oscar Wilde uses a red rose as a symbol for love. In To Kill a Mockingbird, Harper Lee uses a mockingbird as a symbol for innocence.
In A Little Princess, Frances Hodgson Burnett uses hot buns as a symbol for the connection between the main character and a poor street child.
In "The Water of Life," the Brothers Grimm use water as a symbol for life.