Ch 30 Digestion & Excretion

Vitamins are organic compounds that

• Help activate enzymes and Regulate body processes
• Provide energy for metabolism
•  Help form cell membranes
•  Are not obtained from food

Which of the following is true about bile?

• Breaks down fat into droplets
•  is stored in the liver
•  is produced by the kidneys
•  all of the above

 Urea is formed in the

•  Cells
• Kidneys
•  Lungs
•  Liver

What vitamin is produced in the large intestines by bacteria

•  Vitamin K
• Folic acid
•  biotin
• Vitamin B2

Which of these is not an organ of the excretory system?

• Heart
•  Kidneys
•  Skin
• Lungs

One Calorie is equal to 

• 1000 calories
• 10 calories
• 1 calorie
• 100 calories

Feedback inhibition helps to maintain

• Homeostasis
•  Balance
• Eyesight
•  Heart rate

Mineral needed for red blood cells to carry oxygen

•  Iron
•  Calcium
•  Iodine
•  Magnesium

Mineral needed for the thyroid gland.

•  Iron
•  Calcium
•  Iodine
•  Magnesium

Animal fats are generally this type

•  saturated
•  unsaturated