Humans as organisms Flashcards
What is nutrition?
What you eat
What is a starchy food?
A lemon?
A potato?
A block of cheese?
A potato
What is starch used for?
Energy
What is a protein?
A lemon?
An egg?
A blade of grass?
An egg
What is protein used for?
Building cells
What is a lipid? (fats and oils)
A lemon?
Cooking oil?
A strawberry?
Cooking oil
What are lipids used for?
Energy
What is a vitamin?
A cereal?
A cookie?
A doughnut?
A cereal
What are vitamins used for?
Keeping vital processes happening
Explain where minerals are from and what they are used for?
Iron - Blood
Calcium - Teeth/Bones
Sodium - nerves
What can an unbalanced diet cause?
Health problems
How do you put on weight?
If you take in more energy than you use up
What is starvation?
Not eating enough food
What is a kj?
A unit of energy
How can you be classed as obese?
If you weigh over 20% more than the recommended weight for your height
How do you work out your daily basic energy requirement?
Daily BER (kj/day) = 5.4 x 24 hours x body mass (kg)
What attaches muscles to your bones?
Tendons
What are antagonistic muscles?
Pairs of muscles that work against each other
What is the skeleton for?
Support, protection, movement
Where are red blood cells made?
In the bone marrow
