FROG DISSECTION WORKSHEET PDF DOWNLOAD

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Student Guide to the Frog Dissection

Heart – at the top of the liver, the heart is a triangular structure. Esophagus –Return to the stomach and follow it upward, where it gets smaller is the beginning of the esophagus. Stretch the small intestine out and measure dowwnload. They are two spongy organs. Use scissors to lift the abdominal frog dissection worksheet pdf download away from the frog dissection worksheet pdf download cavity.

Kidneys – flattened bean shaped organs located at the lower back of the frog, near the spine. Measuring the Small intestine: The first part of the small intestine straight part: Remove the small intestine from the body cavity and carefully separate the mesentery from it.

The kidneys filter wastes from the blood. Name the 3 lobes of the liver: The large vessel extending out from the heart is dissevtion conus arteriosis.

This is part of a dissection series that downlooad The pyloric sphincter valve regulates the exit of digested food from the stomach to the small intestine. Title Frog at Top – http: A spiderweb like membrane that covers the organs: Cloaca – mentioned again as part of the urogenital system – urine, sperm and eggs exit here.

Organ found within the mesentery that stores blood: Spleen –Return to the folds of the mesentery, this dark red spherical object serves as a holding area for blood. Drog esophagus is the tube that leads from the frogs mouth frog dissection worksheet pdf download the stomach.

Usually they are located just on the inside of the abdominal wall. The wprksheet holds the coils of the small intestine together: You will need to know the structures for both the male and female frog. If you frog dissection worksheet pdf download not located each of the dissectoon above, do not continue on to the next sections! The largest organ in the body cavity: After food passes through the stomach it enters the: This organ is found under the liver, it stores bile: Open the frogs mouth and find the esophagus, poke your probe into it and see where it leads.

Frog Dissection Worksheet

Bladder – An empty sac located at the lowest part of the body cavity. Large Intestine –As you follow the small intestine down, it will widen into the large intestine. Removal of the Stomach: Place the frog in the dissecting pan ventral side up. Make transverse horizontal cuts near the arms and legs. Record frog dissection worksheet pdf download measurements below in centimeters.

The small intestine leads to the: In males, they are called vestigial oviducts. The liver is not primarily an organ of digestion, it does secrete a digestive juice called bile. Life the flaps of the body wall and pin back.

Frog Dissection Worksheet

A single ventricle located at the bottom of the heart. The large intestine leads to the cloaca, which is the last stop before solid wastes, sperm, eggs, and urine exit the frog’s body. They frog dissection worksheet pdf download often a dark color. Frogs swallow their meals whole. Oviducts – females do not have testes, though you may see a curly structure around the outside of the kidney, these are the oviducts.

Males can have structures that look similar, but serve no actual purpose.