Levels of organisation
Simplest level of structural hierarchy and an example
Subatomic level - protons, electrons and neutrons
Define tissue and put an example.
Group of cells that work together to perform a function.
Can you tell the different types of cells?
Prokaryotic and eukaryotic (animal and plant)
Define nutrient
A substance obtained from food that can be used to obtain matter and energy.
What is the obesity?
One of the most common over nutrition disroder characterised by the accumulation of excess body fat.
First biotic level
Cellular level.
Name two types of connective tissues
Reticular connective, adipose, cartilaginous, osseous, blood.
Which system is made up by the heart and blood vessels?
Circulatory system
They are food or nutrients?
- Protein
- Milk
- Calcium
- Butter
Protein: nutrient
Milk: food
Calcium: nutrient
Butter: food
Life five foods that people with lactose intolerance and people with celiac disease cannot eat.
Cheese, yogurt, milk, wheat, bread, pizza.
What is a organ? Put an example
Groups of tissues with a fonction in common.
Why is a very thin person colder than a thick person?
Because of the adipose tissue. A thin person has less adipose tissue, whose fonction is the heat isolation.
Systems for nutrition
Digestive, respiratory, circulatory and excretory
Name a simple and a complex carbohydrate
Simple: glucose, fructose, lactose.
Complex: Starch, cellulose.
Name two food poisoning
Anisakiasis, salmonellosis, taeniasis
Name all the levels of organisation from the simplest to the most complex
Subatomic, atomic, molecular, cellular, tissue, organ, system, organism.
Say which tissue is: its cells are elongated and it is responsible for body movement.
Muscular tissue.
Systems for interaction
Nervous, endocrine, muscular and skeletal.
Which is the difference between saturated, unsaturated and trans fats?
Saturated are not healthy, found in butter, biscuits...
Unsaturated are healthy, found in olive, sunflower, fish.
Trans are super unhealthy, found in ultra processed products.
Name two deficiency diseases
Avitaminosis (scurvy) and iron deficiency anemia
Sat what level of organisation they correspond to: liver, human body, carbon and a protein
Organ, organism, atomic and molecular
Say which tissue is: it form glands, which secrete substances
Glandular epithelial tissue.
Say two differences between the animal and plant eukaryotic cells
Animal tend to have more irregular shapes than plant cells. Vegetal cell has chloroplasts and a big single vacuole.
Our daily energy needs are the sum of the energy we use for...
Basal metabolic rate + physical activity + digestion
Explain the differences and similarities between anorexia and bulimia
Both are psychological disorders related to the feeding but the symptoms are different ...
Anorexia: refusing to eat for fear of gaining weight.
Bulimia: compulsive craving for food, followed by vomiting due to the guilt.