Chicken Leg Dissection Tomorrow you will dissect a

Chicken Leg Dissection • Tomorrow you will dissect a raw chicken leg from the Market Place to explore the interaction between various body systems.

Safety Concerns! • Wear gloves at ALL times until everything is cleaned up at the end of the dissection • Do NOT CROSS-CONTAMINATE • Keep your hands away from your face

Clean Up • Clean table and dissecting materials when done, while still wearing gloves • Remove gloves • Wash hands thoroughly

Procedure 1. Do not bring anything to class. 2. Clear off your desks. 3. Get a pair of gloves. 4. Follow the dissection directions and make thorough observations.

Bones and Muscles! • You will see the skeleton you have learned about • You will see muscles you have learned about • Do muscles work in pairs? • Yes!

Skeletal Muscles Work in Pairs • Flexors – Muscle that pulls on a joint to make it bend – Contracts as the extensor relaxes • Extensors – Muscle that pulls on a joint to make it straighten – Contracts as the flexor Relaxes

Sketch the Chicken Leg

Chicken Leg Quarter

1. Remove Skin and Connective Tissue

2. Observe Muscle, Cartilage & Tendons

Skeletal Muscle Belly • Muscles are in bundles called: Muscle Belly

3. Remove Skin & Muscles

4. Remove Ligament at Joint http: //kidshealth. org/misc/movie/bodybasics_knee. html

Follow your Directions • Please follow your directions • Ask questions • Clean up area when you are done

Pre-lab Questions. Answer on your paper • What does it mean if a muscle is contracting? • What does flexor muscle do? • What does an extensor muscle do?

Discussion Questions • What bones you will be able to observe? • What joints will you be able to observe? • Which connective tissues will you be able to observe? • Where will you find an extensor muscle? • Where will you find a flexor muscle?

Brainpop! • www. brainpop. org • Login: adamspop 2 Password: brainpop • Watch the videos skeleton, joints, & muscles • After each video, take the appropriate quiz in review mode