Human Health
No description yet. This curated deck is ready for daily study.
Card preview (19)
Human health
A state of complete physical, mental and social wellbeing
Enzymes
Biological catalysts: Proteins that speed up chemical reactions eg respiration
Hormones
Proteins that bring about responses in the body eg growth, sex characteristics
Why does cystic fibrosis happen?
There is a mutated gene: the gene that makes a protein to control salt coming out of cells is not working
Why does haemophilia happen
There is a mutated gene: the gene for making clotting factor 8 is not working
Nutrition
Is concerned with how an organism gets its food and what type of food it eats
What three things determine how much you need of each nutrient?
Age, gender, activity
4 benefits of eating well
• less risk of diabetes, heart disease, cancer • stronger muscles and bones • healthy body mass, not obese • feeling better (wellbeing)
Carbohydrates function
Energy, peristalsis in the large intestine
Fat function
Cell membranes
Vitamin C function
Making new cells , wellbeing
Deficiency diseases
Diseases caused by the lack of a particular food
What’s scurvy result
Lack of healing in damaged tissue
Give five reasons water is essential in the body
• solvent in the body • blood is mostly made of water • needed for enzymes to work • maintains body temp at 37 • flushed out toxins
What do you use to test for glucose?
Benedict’s solution: must be heated From blue to red
What do you use to test for protein
Biuret solution Blue to violet
Test for fat
Rub food on brown paper : when dry, a translucent stain means there’s fat . Use lamp
What color is iodine initially
Orange
How are ingredients listed ?
In order of decreasing mass