The elements retain the appearance of bread and wine, but are indeed the actual Body and Blood of Christ. This is what is meant by Real Presence: the actual, physical presence of Jesus in the Eucharist. Christ instituted this Holy Sacrament of the Eucharist in order to remain with mankind until the end of time (Jn.
Plants make food in their leaves. The leaves contain a pigment called chlorophyll, which colors the leaves green. Chlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis.During the process of photosynthesis, plants release oxygen into the air.People and animals need oxygen to breathe.hlorophyll can make food the plant can use from carbon dioxide, water, nutrients, and energy from sunlight. This process is called photosynthesis. During the process of photosynthesis, plants release oxygen into the air.
The energy contained in our food is measured in terms of calories (cal) and joules (J). Technically, one calorie is the amount of energy required to raise the temperature of 1 gram of water by 1 degree Celsius (1.8 degrees Fahrenheit).nergy intake. The amount of energy we absorb through our food intake is commonly called the energy intake, and it is the fuel of our body. Each food contains a certain amount of energy which depends on its composition.