9.3 ABSORPTION 9.4 ASSIMILATION 9.5 DEFAECATION

9.3 ABSORPTION

9.4 ASSIMILATION

9.5 DEFAECATION

Multiple Select

Recall 1: What are the end products of carbohydrates?

• Glucose

• Glalactose

• Fructose

• Maltose

• Amino acids

Multiple Choice

Recall 2: Which of the following is the end product after meat or fish is completely digested?

• Amino acids

• Glucose

• Glycerol

• Dipeptides

Multiple Select

Recall 3: Based on the picture, what are the end product of digestion?

• Glucose

• Glycerol

• Fatty acids

• Lipid

Multiple Select

Think logically: What will happen to the end products of digestion inside our body?

• Absorbed into the body

• Will be removed out

• Utilised into useful substance

• Turns back into food classes

Multiple Choice

Name the organ involved in the absorption of end products of digestion.

• Duodenum

• Jejunum

• Ileum

• Colon

Multiple Choice

Name the structure found in the ileum that is responsible for the absorption of nutrients.

• Goblet cell

• Cillia

• Villus

• Duct

Multiple Choice

X increases the surface area for food absorption through the villus. What is X?

• Nanovillus

• Microvillus

• Villi

• Milivillus

Multiple Choice

The diagram shows the cross-section of a villus in the ileum. Name structure A.

• Lacteal

• Blood capillary

• Microvillus

• Vein

Multiple Choice

What is B?

• Lacteal

• Blood capillary

• Microvillus

• Artery

Multiple Choice

The presence of microvilli on the wall of villus epithelial cells causes a large surface area. What is the advantage?

• Increase absorption of nutrients into the circulatory system

• Store more nutrients in the epithelial cells

Multiple Choice

Which of the following end products of food is NOT absorbed into capillary?

• Glucose

• Amino acids

• Fatty acids and glycerol

• Vitamin B and C

• Water and dissolve minerals

Multiple Select

Which of the following ARE absorbed into lacteal?

• Fatty acids and glycerol

• Amino acids

• Glucose

• Vitamin A, D, E and K

• Galactose

Multiple Choice

Which of the following digested food is diffused by facilitated diffusion into the capillary?

• Glucose

• Fructose

• Amino acid

• Galactose

Multiple Select

Which of the following ARE absorbed into the capillary by active transport?

• Fructose

• Glucose

• Amino acid

• Galactose

• Water and dissolved minerals

Multiple Choice

How do water, dissolved minerals and vitamin B, C diffuse into the capillary in the villus?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Active transport

Multiple Choice

Fatty acids, glycerol, vitamin A, D, E and K are absorbed into the lacteal?

• Facilitated diffusion

• Active transport

• Simple diffusion

• Osmosis

Multiple Choice

Why glucose, amino acids and minerals are absorbed directly into the blood capillary in the villus?

• They are soluble in lipid

• They are soluble in water

Multiple Select

Name the system involved in the transportation of nutrients in the body.

• Blood circulatory system

• Nervous system

• Lymphatic system

• Skeletal system

Multiple Choice

Lacteal is connected to the lymph vessel to transport lipid. Name the system involved.

• Blood circulatory system

• Lymphatic system

Multiple Choice

The thoracic duct of the lymphatic system is connected with ................... to transport lipid into the blood circulatory system.

• Subclavian vein

• Vena cava

• Portal hepatic vein

• Lymph vessel

Multiple Choice

Blood capillary in the villus is connected with ......................... to transport digested food into the liver.

• Subclavian vein

• Lymph vessel

• Thoracic duct

• Portal hepatic vein

Multiple Choice

What is the assimilation of digestive food?

• Breaks down digestive food into smaller molecules

• Synthesizes digestive food into complex molecule

Multiple Choice

Which of the following is NOT the product of assimilation?

• Enzymes and hormones

• ATP energy

• Urea

• Phospholipid bilayer

• Glycogen

Multiple Choice

Which of the following is NOT the function of the liver?

• Forms glycogen

• Synthesizes extracellular enzyme

• Detoxification

• Deamination

Multiple Choice

The breaks down of excess amino acids into urea in the liver is known as ....................

• deamination

• assimilation

• defaecation

• digestion

Multiple Choice

The assimilation of excess glucose into .................... will be stored in the liver and muscles.

• urea

• sucrose

• glycogen

• starch

Multiple Choice

Urea and detoxified materials from the liver will be excreted out from the body through .................

• exhalation

• blood

• urine

• defaecation

Multiple Select

Which of the following ARE the assimilation of glucose in the body cells?

• Cellular respiration

• Repair damage cells

• Breaks down into urea

• Formation of glycogen from excess glucose

Multiple Select

Which of the following ARE the assimilation of amino acids in the cell?

• Synthesizes enzyme and hormone

• Formation of adipose tissue

• Build new cells

• Synthesizes glycoprotein

• Synthesizes cholesterol

Multiple Choice

Which of the following is NOT assimilation of lipid in the cell?

• Synthesizes phospholipids and cholesterol

• Build up protoplasm

• Formation of adipose tissue

• Generation of energy

Multiple Choice

Which of the following components is NOT found in the large intestine?

• Water and dissolved minerals

• Fibre

• Undigested food

• Glucose

• Dead cells

Multiple Select

What are the functions of a colon?

• Forms faeces

• Destroys bacteria

• Absorbs water and vitamin B, K and folic acids

• Stores fibre

Fill in the Blank

The movement of faeces in the colon into the rectum is by ....................

Multiple Choice

The removal of faeces from the rectum through the anus is known as ........................

• Faecation

• Refaecation

• Defaecation

Poll

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