Blood circulation between the ....and .....is knowen as pulmonary blood circulation.

A temporary relationship between two living organisms that ends by devouring the prey or a part of it

A friction force between air and the moving object through.

A watery fluid in which blood cells float.

The change in the direction of light rays when they pass through the separating surface between two transparent media.

The decayed remains of living organisms that exists in the soil

The banana fruit appears .... when you look at it from a violet transparent glass sheet

...... receives blood rich in oxygen comes from the lungs.

Air is a ...... mixture.

Which of the following lights are considered as secondary lights?

All the following are factors that affecting in the solubility process except ...

When the magnet is hanged freely, it will take the direction. .

The interaction between a cat and a rat is an example of ...

From extinct organisms due to the changing of natural conditions of environment are .

The component of błood that has a role in the formation of blood clot is a ..

Mixture can be formed by shaking, .. or ......

.. is considered as a common solvent because of its ability to dissolve many substances.

When left atrium contracts, it pushes the blood to the .. ..

The moving objects take a...... shape to decrease a friction force.