Digestion Part 2

Which one of the following lines the stomach to prevent self-digestion?

• pepsin

• mucus

• bile

Bile is formed from the breaking down of?

• white blood cells

• amino acids

• Red blood cells

The role of sodium hydrogen carbonate (alkaline) is to?

• neutralise chyme

• breakdown lipids

• activate pepsin

The name of the vessel that carries the dissolved nutrients from the villi to the liver is called?

• hepatic portal vein

• hepatic portal artery

• lymph vessel

Which of the following is an adaption of a villus?

• short

• small surface area

• rich blood supply

The relationship between bacteria and the large intestine is said to be

Which food group is the bottom of the food pyramid, meaning you need to eat most of this group every day.

• proteins

• fruit and veg

• carohydrates

• fats

The name used for an organ like the appendix which no longer has a function is?

• vestigal

• symbiotic

• peristalsis

Lipids go directly into the bloodstream, true or false?

• True

• False

Which vitamins are produced by bacteria in the large intestine?

• B & C

• C & D

• B & K