Skeletal, Muscular, and Integumentary System
In this body systems worksheet, learners review tissues, organs, and systems. Then students explore the skeletal and integumentary systems. This worksheet has 1 graphic organizer and 9 fill in the blank questions.
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Muscles – Organismal Level (Part 2)
Humans use 200 muscles to take one step — that's a lot of muscles! Learners see how skeletal muscles work to pull on bones, creating movement. The narrator then explores motor units, muscle twitches, impulses, contractions, and isotonic...
11 mins 9th - 12th Science CCSS: Adaptable
Skin and the Effects of Ultraviolet Radiation
Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...
2 mins 10th - 12th Science