Food Groups 3 Flashcards
Sources of water
any water we drink, food and vegetables
Why is water an essential part of the cytoplasm
It is an essential part of the CYTOPLASM of a cell since all chemical reactions in the cell require the reactants to be dissolved in water.
Blood consists of 55 percent water, allow it…
To flow around the body and act as a transport medium for food and waste.
Water acts as a what in joints?
Water acts as a LUBRICANT in joints reducing friction and therefore prevent damage.
What does water help regulate
It helps to regulate body TEMPERATURE by cooling the body down through sweating.
What does water dissolve
It dissolves WASTE products so that they can be removed from the body e.g., urea is dissolved in water to form urine.
Vitamin D
Source Oily fish, Eggs, Seeds
Used to maintain strong bones
Deficiency / rickets, leg bones are soft and not in correct shape
Vitamin C
Source / dark green vegetables, oranges, lemons
Use / It is required in the formation of connective tissue
Deficiency/ scurvy- bleeding gums
Vitamin A
Source / carrots, red or orange vegetables
Milk, cheese, oily fish
Use/ Used in a chemical needed to see in low light
Deficiency/ Night blindness – struggle to see at all in low levels of light
Iron source
red meat, dark green vegetables, eg spinach kale
Iron function
To make haemoglobin, the red pigment in the blood cells that carries oxygen
Iron deficiency
Aeneamia
Calcium function
Needed for hard teeth and bones, muscle contraction and blood clotting
Calcium deficiency
Osteoporosis