Digestive System : Intro Worksheet



Name : __________________

Date: ____________

Digestive System : Getting Things Started – Mouth,Throat And Esophagus

Read pp. 171- 176

1. Are accessory glands part of the digestive tract, explain your answer?

_______________________________________________________________________

________________________________________________________________________

2. Define true “digestion”, and is true digestion considered to be chemical digestion or physical (mechanical) digestion?

________________________________________________________________________

3. For each nutrient group (polymer), give the basic monomer(s). (Fat : Check Ch.2)

A) Fat (2) : _________________________ B) Carbohydrate : ___________________

C) Protein : ______________________

4. What two systems help control the digestive system?

A) _______________________________ B) ________________________________

5. List the three main functions of the digestive system.

A)_____________________________________________________________________

B) _____________________________________________________________________

C) _____________________________________________________________________

Mouth:

6. Which two senses work together to give the overall flavour of a food?

A) ___________________________ B) ____________________________

7. Number of teeth. Child : _______ Adult : _____

8. Give name, number and function for each type of tooth, per 1/2 jaw.

|Description |Name Of Tooth |Function |Number/ Half Jaw |

|Chisel-shaped | | | |

|Pointed | | | |

|Fairly Flat | | | |

|Most Flat | | | |

9. In the diagram below label each type of tooth.

[pic]

10. How many teeth are present in the picture above? ___________

11. Have the wisdom teeth in this mouth erupted? ___________

12. What are the two main parts of a tooth?

A) ____________________ B) ______________________

13. Use the diagram below to label the two main parts as well as the internal structure of a tooth

[pic]

14. What is gingivitis? ___________________________________________________

15. Label the diagram below.

[pic]

Endocrine glands produce hormones that are transported by the blood to affect other organs. Exocrine glands secrete their products into ducts that carry the substance into an organ or body cavity.

16. What category of gland are the salivary glands? ___________________________

17. Use the table below to identify the three types of salivary glands.

|Name of Salivary Gland |Location |

| | |

| | |

| | |

18. Use the diagram below to label the three salivary glands.

[pic]

19. Saliva serves two purposes, name them. (One is listed, the other you should be able to figure out, especially if you try eating some soda crackers and whistling).

A) _______________________________ B) _________________________________

20. Classify each structure as participating in either chemical digestion or physical digestion.

A) Teeth: ________________________ B) Tongue: _______________________

C) Salivary Glands : _______________________

Pharynx:

21. What is the more common name for the pharynx? _____________________

22. During swallowing what two things must take place to prevent insure that food goes down the esophagus rather than up the nasopharynx or down the trachea?

________________________________________________________________________

________________________________________________________________________

23. What is the scientific term for the voice box? ______________________________

Esophagus:

24. Use the Index (pp. 725-759) to track down the function/description for each part of esophagus.

|Name |Function/Description |

|Lumen | |

|Mucous Membrane | |

|Circular/Longitudinal Muscle | |

|Serous Membrane | |

25. Describe peristalsis? ___________________________________________________

________________________________________________________________________

________________________________________________________________________

-----------------------

A) _______________________

B) ________________________

C) ________________________

D) ________________________

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download