Immune Cells and Their Jobs
Grade 12th Grade · Science · 40 min
What's Included
Learning Objective
I can describe the roles of different immune cells in fighting infection.
Warm-Up Video
CrashCourse · 9:13
Immune System, Part 1: Crash Course Anatomy & Physiology #45
Guided Notes
3 key concepts
- 1
The innate defense system is the body's first line of defense, which includes physical barriers like skin and mucous membranes.
- 2
Phagocytes, such as neutrophils and macrophages, are cells that ingest and destroy pathogens through a process called phagocytosis.
- 3
Natural killer cells target and kill infected or cancerous cells by inducing apoptosis, which is programmed cell death.
Practice Questions
5 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe the role of macrophages, neutrophils, and natural killer cells in the innate immune system's response to an infection.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
