ACTIVITY 8:ACTIVITY 8:FROG SKELETAL FROG SKELETAL SYSTEMSYSTEMPre-Lab DiscussionPre-Lab Discussion

OBJECTIVES:OBJECTIVES:

Differentiate macroscopically and Differentiate macroscopically and microscopically the two types of bone microscopically the two types of bone tissuetissue

Identify the bones of the toadIdentify the bones of the toad Identify the functions of the important Identify the functions of the important

bonesbones

SKELETONSKELETON

FUNCTIONS:FUNCTIONS:Structural frameworkStructural frameworkMovementMovementSupportSupportProtectionProtectionCalcium reservesCalcium reservesHematopoiesis/hemopoiesisHematopoiesis/hemopoiesis

FROG SKELETONFROG SKELETONEndoskeletonEndoskeletonDivided into:Divided into:

Axial skeletonAxial skeletonSkullSkullVisceral skeletonVisceral skeletonVertebral column and ribsVertebral column and ribssternumsternum

Appendicular skeletonAppendicular skeletonGirdlesGirdles

PectoralPectoral PelvicPelvic

Bones of the limbsBones of the limbs ForelimbsForelimbs Hindlimbs Hindlimbs

TASK:TASK:

1. 1. MEMORIZE THE NAMES AND MEMORIZE THE NAMES AND IDENTIFY OF THE BONES OF:IDENTIFY OF THE BONES OF:VISCERAL SKELETONVISCERAL SKELETONHYOID APPARATUSHYOID APPARATUSTHE VERTEBRAL COLUMNTHE VERTEBRAL COLUMNTHE PECTORAL GIRDLETHE PECTORAL GIRDLE

TASK:TASK:

1. 1. MEMORIZE THE NAMES AND MEMORIZE THE NAMES AND IDENTIFY OF THE BONES OF:IDENTIFY OF THE BONES OF:

THE PELVIC GIRDLETHE PELVIC GIRDLE BONES OF THE LIMBS:BONES OF THE LIMBS: Forelimbs Forelimbs HindlimbsHindlimbs

2.2. ANSWER THE GUIDE QUESTIONS.ANSWER THE GUIDE QUESTIONS.3.3. LABEL THE ILLUSTRATION LABEL THE ILLUSTRATION

PROVIDED.PROVIDED.

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13.14.15.16.17.18.19.20.

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GUIDEGUIDE Q’SQ’S::

1.1. Differentiate a compact bone from a Differentiate a compact bone from a spongy bone. Correlate the structure spongy bone. Correlate the structure with its corresonding function.with its corresonding function.

2.2. Are the bones as solid and hard at the Are the bones as solid and hard at the ends as in the middle of the shaft? ends as in the middle of the shaft? Explain.Explain.

3.3. What unusual specializations are found What unusual specializations are found in the frog skeleton? In what way would in the frog skeleton? In what way would the structure help in the survival of the the structure help in the survival of the animal?animal?

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