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3 Fatty acid chains and 1 Glycerol 

The yellow banded shell provides camouflage to the snail in grassland areas. These are more difficult for the birds to see, so less are eaten by predation. As a consequence, more yellow banded snails surv...

Diffusion is the net movement of particles in solution across a partially permeable membrane. The net movement of particles is from higher to lower concentration gradient.

Osmosis is the net moveme...

The heart is a muscular pump which pushes blood out to the body. It does this by contracting the muscle fibres which sqeezes the blood out. The heart has 4 chambers. Blood comes into the top two chambers,...

Arteries, veins and capillaries are all types of blood vessels. The best way to think about their differences are the roles they play in circulation. So, if we take the systemic circulation as an example ...