HOW DO LUNGS WORK?

https://ed.ted.com/lessons/what-do-the-lungs-do-emma-bryce#watch

Watch the video and answer the questions.

MECHANICAL AND CHEMICAL DIGESTION. Drawing form the blackboard.

Here you have what I explained in class. I won't ask you to explain the process in detail for each nutrient in this test but I will ask you for the sent exam. You have to have clear what processes (chemical or mechanical) occur  in each section of the digestive tract.

You should also watch the video about "how digestive system works" in the previous post. It will help you. 

Come on, you cn make it!!! Good luck!

How your digestive system work

Watch this video: How your digestive system work and answer the questions.

       1. The digestive system contains ______ organs.

     A) 12

     B) 9

     C)10

      D) 7
          2. Food is pushed into your stomach by ______.

A)     Muscular contractions called peristalsis

B)      Digestive juices

C)      Voluntary control

D)     Gravity
 3. After several hours inside the stomach, the food becomes ______.

A) bolus

B) liquid

C) Chyme

D) A solid lump

4. The role of the pancreas, liver, and gallbladder is to ______.

A) Use enzymes and bile to break down food and extract its nutrients

B) Break food into small chunks

C) Clear the system of any toxins

D) Remove liquid from the stomach

5. The digestive process begins before you put food in your mouth.

A) True

B) False

6. What makes the pancreas, liver, and gallbladder so important in digestion?

7. Why do you think the digestive process takes so long?

CONTENTS TO STUDY FOR THE DIGESTIVE SYSTEM TEST

These are the contents you have to study for the short test we will do next week. It will count 15% of your final mark. (The exam about unit 1 is 40%, project is 40%, this test plus daily work is 20%).

- Photocopy with parts of digestive tract, glands and its functions.
- Drawing with the parts of digestive tract and glands (anatomy).
- Diseases related with digestive tract (includes the ones in the activity "let's analyse").
- Identify mechanical digestion, chemical digestion and absortion in each part of digestive tract.
- Definitions in the vocabulary organiser.
- Pages 34 to 38 in te text book.

We will do an exam about the whole unit 2 (digestive and respiratoy system) with some of these contents and the rest of the contents in the unit.

Come on! Last effort!

HOMEWORK TUESDAY 3B AND 3C

Make a table to write a vocabulary organiser. You have to write in each column:
WORD/ DEFINITION/ EXAMPLE/ TRASNLATION

The words you have to define are:

Gallbladder
Defecation
Bolus
Peristalsis
Chyme
Chyle
Villi
Dentine
Enamel
Colon
Cardiac sphyncter
Pyloric sphyncter


AND COMPLETE THE GAPS IN THE PHOTOCOPY OF GLANDS

Homework for next Monday 3ºB

For those people that went on a hike in 3ºB, you will have to do the following homework for next Monday:
-Draw the digestive system in you r notebook and label its parts (use the drawing on page 34).
- Define the following words: dentine, pulp, appendix, colon, cardiac sphyncter, pyloric sphyncter. remember to start the definition with a subject "it is a part of... (the tooth..,the small intestine, etc.) or it is a valve... If you have doubts look for the deffinition in an English dictionary on line (www.wordreference.com, www.merriamwebster.com)