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Put the verb into the correct form, Past Continuous or Past Simple

1. Jenny ______________ (wait) for me when I ______________ (arrive).

2. ‘What ______________ (you / do) at this time yesterday?’ ‘I was asleep.’

3. ______________ (you / go) out last night?’ ‘No, I was too tired.’

4. How fast ______________ (you / drive) when the accident ______________ (happen)?

5. Sam _____________ (take) a photograph of me while I _____________ (not / look).

6. We were in a very difficult position. We ___________ (not / know) what to do.

7. I haven’t seen Alan for ages. When I last ______________ (see) him, he ______________ (try) to find a job.

8. I ______________ (walk) along the street when suddenly I ______________ (hear) footsteps behind me. Somebody ______________ (follow) me. I was scared and I ______________ (start) to run.

9. When I was young, I ______________ (want) to be a pilot.

10. Last night I ______________ (drop) a plate when I ______________ (do) the washing up. Fortunately it ______________ (not / break).

3. Complete the sentences:

1. The _______________ is the main center which regulates and coordinates all body activities.

2. The human _______________ normally beats about 70 times a minute making the _______________ move along the arteries, veins and capillaries.

3. _______________ protect and support the organs of the body.

4. _______________ produce all kinds of movements in our body, from smiling and eye blinking to running and weight lifting.

5. _______________are the main organ of breathing.

6. The function of the liver is to metabolize _______________.

7. Kidneys are the part of _______________ _______________, they serve as filters which separate the urine from the blood.

8. Man has several organs of sense: the organs of sight are the _______________, the organs of hearing are the _______________, the organ of smell is the _______________.

Lead – in

Exercise 1: Identify the kinds of teeth and bones shown in the pictures and name them. Describe the functions of these bones.

1__________________	2_______________	3 ____________	4______________
5_________________	6_______________	7____________	v jaw v canine v molar v skull v wisdom teeth v lower jaw ( mandible ) v upper jaw ( maxilla )

Exercise 2: Match the name the parts of a tooth with their definitions:

Exercise 3: Complete the text using the words and phrases:

Although humans have 4 different …. with significant variations in their external morphology, they all share a common internal dental anatomy. All human teeth consist of 3…. The external and hardest of all layers is the…., underneath of enamel there is…., and at the center of the tooth lies the softer and live part of the tooth, the pulp.

A basic knowledge of the internal … of the tooth and its structure is necessary in order to understand the development of several dental conditions, their causes and their…. If we take a section of a human tooth we will be able to distinguish 4 different types of …, enamel, cementum, dentin, and pulp tissue. The main parts of tooth anatomy are Enamel, Dentin, Cementum, and Pulp.

Enamel is the outermost layer of the tooth structure of the …, the part of the tooth that is above the gums. Dental enamel is the hardest and most mineralized substance in the human body.

Dentin is a bone-like material that makes up most of the tooth's structure. It is covered by the enamel in the crown and by the … in the root area of the tooth. It engulfs and protects the living part of the tooth, the pulp tissue.

Cementum is the outer layer of the …. structure for the root part of the tooth which lies under the gum line. It is a bonelike material, almost as hard as enamel, but with a less inorganic composition.

The dental pulp is the soft living tissue of the tooth. It can be found in the …, a cavity in the center of the crown of each tooth, and inside the root …. which connect the pulp cavity with the opening at the root tip (apex) and through that with the rest of the body. The pulp contains …., connective tissue, …, and other cells including odontoblasts, …., macrophages and lymphocytes.

Exercise 4: Find the right translation:

Exercise 5: Make the dialogues according to the cases:

Exercise 6: Play the dialogue and make similar one:

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