Posts tagged as science

Points on Photosynthesis – Junior Cert Science

Photosynthesis Green plants make food by photosynthesis. Photosynthesis occurs in the leaves of a plant. The green chemical chlorophyll is needed for photosynthesis. Chlorophyll traps light energy and uses it to combine carbon dioxide and water. This forms glucose and oxygen. Leaves have air spaces between their leaves called stomata. The three things needed for… Continue Reading →

The Circulatory System Notes

The Circulatory System The circulatory system consists of the heart and the blood vessels (veins, arteries and capillaries). Veins bring blood away from the heart. They have a wider lumen and thinner walls than arteries, and valves to prevent backflow of blood. Arteries carry blood away from the heart. they… Continue Reading →