Health Blog!

Health Blog!

Welcome students to our class blog. We will be using this space for class discussions to examine, evaluate, and share knowledge. Discussions provide opportunities for students to think critically on the topics we will be learning about in Health class. Concepts, assignments, and readings will be used as the basis for our discussions to create a positive learning community in which students are willing to share their ideas and to accept constructive criticism form their peers.







Thursday, January 13, 2011

Concept Check 27.5 by Diegojose Gomez

Concept check 27.5
1. Explain how muscles work in pairs in moving limbs.
2. Identify the structures that make up a skeletal muscle. Include these terms: muscle fiber, fascicle, myofibrils, actin, myosin, sarcomere.
3. Identify at least 3 organ systems involved in a handshake. Describe WHAT each system contributes to the handshake.
4. Explain how actin and myosin interact as a muscle cell contracts.

1. The muscles are join to the bones by tendons. They are connective tissues. The muscles move oppositly from each other. One muscles contracts the other relaxes.
2. Muscle Fibers: Muscle Cell containing a Nuclei.
Myofibrils:
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