Curated OER
Biology Chapters 8 & 9
In this biology instructional activity, students identify and locate various vocabulary terms related to systems of the body and cell types. There are 36 biology terms located in the word search.
CK-12 Foundation
Ck 12: Biology: Muscle Contraction
[Free Registration/Login may be required to access all resource tools.] Describes how muscles contract according to the sliding filament theory.
Biology Pages
Kimball's Biology Pages: Muscles
Everything you've ever needed to know about muscles. To be used as classroom notes or a supplement for learning.
OpenStax
Open Stax: Skeletal Muscle
This site includes information about skeletal muscles, of which the best-known feature is its ability to contract and cause movement.
Khan Academy
Khan Academy: Tension in the Muscles
This passage will test your knowledge on the force of tension in muscles using this five-question quiz.
Estrella Mountain Community College
Estrella Community College: Animal Cells and Tissues
Notes on different tissues of the body such as: connective, epithelial, muscle, and nervous. Helpful terms and definitions as well as review questions. Colorful graphics of important terms are also provided.