Class Notes (836,603)
Canada (509,865)
Brock University (12,092)
Biology (1,629)
BIOL 2P02 (103)
Lecture

balanced

3 Pages
53 Views
Unlock Document

Department
Biology
Course
BIOL 2P02
Professor
Professor Cottrel
Semester
Summer

Description
Balanced Diet  Energy Balance o Energy is obtained from food  Main energy from carbohydrates (glucose) and fats  Proteins are used for growth and repair first  Excess proteins is converted to energy o Out of balance  More energy/food than required → obesity  Less energy/food than required → starvation o Types of carbohydrates  Intrinsic sugars: found within cells (fruits)  Extrinsic sugars: sugars that have been added to food (processed food)  Milk sugars: found in milk products  Basal Metabolic Rate (BMR) o Energy needed at rest (not when asleep!) for routine tasks of cells (excrete waste) o Factors that influence BMR  Age  Young > Old  Growth requires more energy → children, pregnant women (fetus)  Young and active people have more muscles than older people  Sex  Male > Female  Women have more adipose than muscle tissue  Muscles (work out) require more energy than fat cells (storage)  Body size  Tall and thin > short and obese  Tall and thin people have a large surface area but small volume  Loose heat quicker  Need more energy to maintain body temp  High body mass > Low body mass  High body mass → more cells that require energy  Starvation o No carbohydrates and fats are available in the diet o Body starts to break down its own proteins (muscles) Function of Fibres  Polysaccharides (cellulose) that cannot be broken down by enzymes in the gut o Reduce absorption of carbohydr
More Less

Related notes for BIOL 2P02

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit