1. Body Systems and Frog Pre-Lab

2. What's My Function? Circulatory Digestive Endocrine Excretory Immune
Muscular
Nervous
Reproductive
Respiratory
Skeletal
Skin(Integumentary)
Carries needed material to and waste away from the body
Takes in food, breaks it down, & absorbs nutrients
Controls many regulatory processes by mean of chemicals
Removes waste
Fights disease
Enables the body to move (voluntary & involuntary motion)
Detects and interprets information from the environment outside the body and from within the body
Produces sex cells & controls male & female characteristics
Gas Exchange of oxygen and carbon dioxide
Supports the body, protects it and works with muscles to allow movement
Protects the body, keeps water inside the body & regulates body temperature

3. Levels of Organization
chemicals
atoms
molecules
macromolecules
organelles
cells
tissues
organs
organ systems
organism

4. Amphibians Kingdom: Animalia Phylum: Chordata Order: Anura Family:
Leopard Frog
Kingdom:
Animalia
Phylum:
Chordata
Order:
Anura
Family:
Ranidae
Genus:
Rana
Species:
pipiens
Frog Sound

5. Amphibians Lobe-finned fish gave rise to early amphibian
Coelacanth ~ 6.5 feet
Early Amphibian ~ 15 feet

6. Amphibian Characteristics
1. Legs – adaptation to land
2. Lungs (adult) – adaptation to land
3. Double-loop circulation
4. Partially Divided heart divided into left and right sides – 3 chambers
5. Cutaneous Respiration – the ability to breath through the skin

7. 3 methods to take in Oxygen
Gills
Cutaneous Respiration (skin)
Lungs

8. Order Urodela (Salamanders) – “tailed ones”
Mexican axolotl
Tiger Salamander
Giant Salamander –found in Asia and China
Pacific Giant Salamander
Red Spotted Newt

9. Order Caecilians - “legless ones”
Costa Rican - Gymnopis multiplicata
Purple Caecilian

10. Order Anura - “Tailless one’s”
The Harlequin Frog
Bullfrog
Wallace’s Flying Frog
Golden Poison Dart Frog
Red-Eyed Tree Frog
Cane Toad
Strawberry Poison Dart Frogs

11. Homework: Frog CHART Organ/ Structure System Function Countershading
Nictitating membrane
Tympanic membrane
Tongue
Gullet
Glottis
Eustachian tube
Maxillary teeth
Vomerine teeth
Fat bodies
Liver
Heart
Lungs
Gall bladder
Stomach
Small intestine
Mesentary
Large intestine / Cloaca
Spleen
Esophagus
Kidneys
Testes
Sperm duct
Ovaries
Oviduct
Bladder

12. Structures
Nictitating membrane
Tympanic membrane

13. Structures: Tongue Gullet Glottis Eustachian tube Maxillary teeth
Vomerine teeth

14. Structures
Fat bodies
Liver
Heart
Lungs
Gall bladder

15. Structures Stomach Small intestine Mesentary Large intestine/ Cloaca
Spleen
Esophagus

17. Frog Review