Circulatory System

What are the levels of living organisms from smallest to largest?

• Tissue - Organ Systems - Cells - Organs - Organism

• Cells - Tissue - Organs - Organ Systems - Organisms

• Organs - Organ Systems - Organisms - Cells - Tissue

• Cells - Tissue - Organisms - Organ Systems - Organs

Which part of the digestive system had a low pH to help the enzymes with low optimum pH level

• Mouth

• Large Intesine

• Small Intestine

• Stomach

Which one of these statements about enzymes isn't true.

• The active site on the enzyme has a specfic shape to only fit one substrate.

• When the temperature around the enzyme is above it's optimum temperature, the enzyme will start to denature.

• Enzymes can speed up reactions. Examples can be breaking down molecules, or putting molecules together.

• When a enzyme is in a pH that is not in it's optimum pH range, it will die.

• Denaturing is when the enzyme, and it's active site, change shape.

Protease breaks down ________ molecules.

Lipase breaks down ________ molecules.

Amylase breaks down ________ molecules.

What does Bile do in digestion?

• Protects the cells in the stomach lining from the acid inside it.

• Allows the lock and key model of the enzymes to work more efficently.

• Creates better conditions for good bacteria to grow in digestive system.

• Emulsifise (break down) fats.

Bile is made in the ______ and released from the_____.

• Liver, Gall Bladder

• Kidneys, Small Intestine

• Pancrease, Stomach

• Saliva Glands, Mouth

The reagents for testing for the following food; Fats, Sugars, Proteins, Starch

• Ethanol, Benedict's, Biuret, Iodine

• Benedict's, Biuret, Iodine, Ethanol

• Biuret, Iodine, Benedict's, Ethanol

• Iodine, Benedict's, Ethanol, Biuret

What are the two different names of heart chambers?

• Anodes

• Atriums

• Lumens

• Ventricles