"roots" newsreels and historical clips

... from bushes.

Collect cassava leaves, too, they are eaten.

The children gather leaves.

After 18 months, digging up roots of cassava, they are shallow in the ground.

Undermining the roots, put in the basket.

Women put the baskets on their heads, going to the village with the children.

Along the way ...

... and soaked in water to acid released from them.

For neskoleo days hard ball and soak it easy to extirpate.

Women clean the root.

In the hut sat the women.

They pounded roots in the flour, whisk collected, sifted.

The flour is poured into the boiling water and kneaded dough stick.

From this test ...

Painting introduces children's creativity - pictures of straw crafts from bark, roots of trees, etc.

Corn field.

Scheme of air nutrition of plants (animation).

Scheme of root nutrition of plants (animation).

The structure of a plant cell (animation).

The scheme of absorption of nutrients by the cell (animation).

... under a microscope.

Phagocytosis and pinocytosis.

Pinocytosis (animation).

Corn field.

Microorganisms on plant roots (animation).

Experiments in the laboratory.

Nodule bacteria on the roots of the plant.

Seed germination (combined shooting).

A field of flowering potatoes.

Potato harvesting.

Application ...

... forceps can be inserted.

Forceps are applied to the root and upper part of the tooth.

With rotational movements, the doctor dislocates the tooth before removing it.

Then, using a curettage spoon, the granulation tissue that has grown at the top of the root should be removed.

The doctor examines the X-ray ...

... X-ray of the jaw.

The picture shows a granuloma at the root of the upper canine.

The operation is shown - resection of the root tip.

Operation.

A cartoon showing the filling of the tip of the root, with insufficient closure of the canal of the diseased tooth with a filling.

The launching of the special ships of the MP-90 to clean the channels of the rivers: removal of tree roots, logs, rocks.