2)Define digestion.

Pair-up: Discuss your findings

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2) Indicate the pathway followed by the food in the digestive system of mammals (eg. Humans).

2. Attach your work below..

1)Label organs C, D, and E.

2)Indicate the pathway followed by the food in the digestive tract of the rat.

3)List the organs in which chemical digestion is carried out and indicate the juices responsible for each.

4)Indicate the organs where mechanical digestion is carried out.

2)Define absorption

3)Indicate where the nutrients should be sent.

4)Indicate how nutrients are transported

2)Deduce the second characteristic that makes the small intestines good for absorption.

2) Proceed with the relay.

3) Numbered Heads Together (2 minutes): What characteristic of the small intestines can you conclude?

1)Indicate the organ where the digestion of food starts and where it ends.

2)Describe the fate of nutrients.

3)Name the organ responsible for the absorption of nutrients.

4)Name the structure responsible for the absorption of nutrients.

5)List the characteristics that make the small intestines well adapted for absorption.

List the characteristics of the small intestines that make it a good surface for the absorption of nutrients.

1)Pose the problem revealed in the above experiment.

2)Indicate the variable in the above experiment.

3)Formulate the hypothesis tested in the above experiment.

4)Draw a table of conditions and results of the experiment.

5)Interpret the results of tubes 1 and 2 at the end of the experiment.

6)What do you conclude?