Transcript TOPIC: Nutrition AIM: What nutrients are needed by the human body?

Topic: Nutrition
Aim: Describe the nutrients that are needed
by the human body.
Do Now: Start ISN activity.
HW: Finish the ISN activity.
Collect FIVE different nutrient labels from
foods you eat regularly and bring them to
class on Thursday for the Food Label Lab.
•
Substances
that
provide
Describe
energy
and
materials
for
nutrients.
cell development,
growth and repair
Identify
• Calories
how is
energy
measured
in food?
• The amount of heat
What is a necessary to raise the
calorie?
temperature of 1kg of water
1°C.
Identify
the 6
classes
nutrients.
• Proteins
• Carbohydrates
• Vitamins
• Fats
• Water
• Minerals
• Vitamins
• Amino acids
Identify
the
building
blocks of
proteins.
• Identify the elements that make up an
amino acid.
• What is produced by joining many
amino acids?
• Essential amino acids
Identify
the amino
acids that
are not
made in
your body
cells.
Essential AA’s
•Arginine
•Histidine
•Isoleucine
•Leucine
•Lysine
•Methionine
•Phenylalanine
•Threonine
•Tryptophan
•Valine
Non-Essential AA’s
•Asparagine
•Aspartic acid
•Cysteine
•Glutamine
•Glycine
•Proline
•Serine
•Tyrosine
•Glutamic acid
•Alanine
Identify
what
proteins
are used
for.
• Replacement and repair
of body cells
• Growth
Identify 7 • Eggs, milk, cheese, meat
different • Vegetables, fruits, grains
foods
that
contain
proteins.
Identify
the
nutrient
that is
the main
source of
energy
for our
bodies..
• Carbohydrates
• When carbohydrates
How is energy
released from
are broken down in
carbohydrates? the presence of
oxygen in your cells
In which process does this
occur?????
Identify the 3 • Sugar
types of
• Starch
carbohydrates. • Fiber
• Sugar
Which type of
carbohydrate • Glucose
is a simple
carbohydrate?
Which types of • Starch
carbohydrate • Fiber
are complex
carbohydrates?
List 3 foods that • Fruits
contain simple • Honey
carbohydrates. • Milk
List 2 foods that • Potatoes
contain starch. • Pasta
List 5 foods that • Whole grain breads
contain fiber. • Cereals
• Beans
• Peas
• Other vegetables and
fruits
Why does fiber • You cannot digest
keep your
fiber.
digestive
• It helps push food
system running
along through your
smoothly?
digestive tract.
Identify another • Lipids
name for fats.
Why are fats
necessary for
the body?
• Provide energy
• Helps body absorb
vitamins
• Cushions internal
organs
Identify the 2
types of fats
and examples.
• Unsaturated

Vegetable oils, found in
seeds
• Saturated


Meats, animal products,
and some plants
Potato chips, dairy
products, meats and
pastries
Identify the
type of fat
associated
with high
cholesterol
levels.
• Saturated fats
Describe the
• Deposits forming on
negative
inside of blood
effect of high
vessels
blood
• Blocks blood supply to
cholesterol.
organs and increases
blood pressure
Severe
atherosclerosis
of the aorta.
Identify why
vitamins are
necessary.
• Needed for growth,
regulate body
functions, prevent
some diseases
Identify the 2
types of
vitamins,
• Water-soluble
• Fat-soluble
What does “soluble” mean??
Which type of
vitamin is not
stored in the
body?,
• Water-soluble
Identify 3 types • Vitamin D (sunlight)
of vitamins
• Vitamin K
your body
• B vitamins (bacteria
produces.
in LI)
Describe why
minerals are
necessary for
the body.
• Build cells
• Take part in chemical
reactions
• Send nerve impulses
throughout the body
(sodium and potassium)
• Carry oxygen to body
cells (iron in hemoglobin)
How many
• 14
minerals do our
bodies use?
Identify 2
• Calcium and phosphorus
minerals that
• Used for the formation
are used in
and maintenance of
largest
bones
amounts and
what they are
needed for.
Why is water
necessary for
survival?
• Cells need water to carry
out their work
• For water-soluble vitamins
• Chemical reactions take
place in solutions
Identify the
percentage of
water that
makes up our
body.
• 60%
• In your cells
Identify
• Around your cells
three
locations in • In body fluids
the body
where
water is
found.
Identify three • Perspiration
ways we
• Exhalation
release water. • Urine
Let’s summarize…:
1. How is energy measured in food?
2. Identify the 6 types of nutrients.
3. Which vitamin is a great source of energy?
4. Which vitamin absorbs vitamins and cushions
internal organs?
5. Which vitamin helps dissolve other nutrients?
6. Which vitamin is used for the repair of body
cells and growth?
7. Which vitamin is needed for growth, regulate
body functions, prevent some diseases?
8. Which vitamin
Dietrelated
disease
•
•
•
•
•
Heart disease
Type 2 diabetes
Stroke
Hypertension
Obesity
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