Outline two methods for determining obesity.

Describe how chemical signals from the gut and adipose tissue affect appetite regulation.

Body Mass Index (BMI) by determining the ratio of height to weight «and reference to normative values» ✔

skinfold thickness by measuring subcutaneous fat deposit ✔

waist circumference to hip ratio «with reference to normative values» ✔

bio-impedance to determine the extent to which the body impedes electric current flow ✔

Award [1 max] for list.

hormones are produced by the stomach and small intestine after eating ✔

leptin produced by adipose tissue ✔

hormones pass to an appetite control centre in the brain that regulates feelings of hunger ✔

Answered well.

Largely well answered, particularly with regards to the release of leptin.