- The immune system's role is to protect the body from harmful germs and bacteria that can make us sick.
- White blood cells act like little soldiers that patrol the body, attacking and destroying germs; they also remember germs to fight them off faster if they return.
- Antibodies are proteins that help the body recognize and destroy harmful germs; they are created by the immune system when a germ enters the body.
- Key organs include the spleen and thymus, which produce and store white blood cells, helping keep the immune system strong and ready to defend against threats.
- The immune system can be weakened by not getting enough sleep, eating unhealthy foods, or not exercising regularly.
- Vaccines are important because they help the body build up antibodies to fight off diseases.
- The immune system remembers germs through the action of white blood cells, which retain memory of past invaders to respond more quickly in future encounters.
- Ways to support and strengthen the immune system include getting enough sleep, eating healthy foods, and exercising regularly.
- The spleen and thymus help produce and store white blood cells, playing a crucial role in maintaining immune strength.
- The immune system protects the body by using white blood cells and antibodies to recognize, attack, and destroy harmful germs and bacteria.
Parent Tip: Review the logic above to help your child master the concept of the healthy immune system worksheet.