WONDER #1171: What Does It Mean To Be Immune?

Question 1 of 3

White blood cells are known as __________.

1. leukocytes
2. antigens
3. organs
4. none of the above

Question 2 of 3

Substances that invade the body are called ______________.

1. leukocytes
2. antigens
3. organs
4. none of the above

Question 3 of 3

Immunizations help the body fight future diseases by allowing the body to produce ______________________.

1. leukocytes
2. antigens
3. organs
4. antibodies

Check your answers online at https://www.wonderopolis.org/wonder/What-Does-It-Mean-To-Be-Immune.