Science fair countdown: 10 days!
This week's periodic table elements: 1-42 plus the nine additional common elements. (See previous blog post if it's a head scratcher.)
This week we're studying the immune system, starting on p. 370.
Vocabulary includes:
lymphatic system, lymph, lymph nodes, tonsils, thymus, spleen, allergen, antibiotics, active immunity, passive immunity, white blood cells, macrophages, t-cells, b-cells, antigens, antibodies.
Don't just" know what these mean"; listen in class, think and seek to make sense of how they work together.
Also: the lymphatic system is your body's secondary line of defense. What's the first?
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