Page 44 - 86 human physiology part-2

Nutrition

Malnutrition
An imbalanced nutrient and or energy intake.

Obesity
A condition in which the natural energy reserve in fatty tissue increased to a point where it is
thought to be a risk factor for certain health conditions or increased mortality

Peptide
Two or more amino acids linked together by a bond called a peptide bond.

Polypeptide
A string of amino acids linked together by peptide bonds. A protein is an example of a
polypeptide.

Starvation
A severe reduction in vitamin, nutrient, and energy intake, and is the most extreme form of
malnutrition

Review Questions

1. Nonessential amino acids

A) are stored in the body
B) are only needed occasionally
C) can be produced in the body
D) can be taken in supplements

2. Micronutrients include

A) minerals and vitamins
B) lipids and fatty acids
C) amino acids and proteins
D) vitamins and minerals

3. The body requires amino acids to

A) produce new red blood cells
B) produce new protein
C) replace damaged red blood cells
D) replace damaged protein
E) A and C
F) B and D

4. The function of lipids

A) store energy
B) organ protection
C) temperature regulator

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