Vaporise the solvent from the liquid. What's left is the perfume component and a lump of vegetable wax

The function of the heart is to pump blood

Many rivers in Japan are polluted by waste water from factories

He saved the dying child by giving his blood

When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it

Please do your model building at home! The room's full of the smell of lacquer

The Red Cross supplied the hospital with blood

The brain needs a continuous supply of blood

My mouth forms a lot of saliva

I have a discharge from my nipple