C3 Nutrition

Question 1

List the function of protein. 🥚🥚🥚

Answer 1

1 Repair/ replace damaged cells
2 Form new enzymes, hormones

Question 2

List the factors that influence the calorific requirement.

Answer 2

1 Age
2 Gender
3 Body size
4 Type of job
5 Type of activity
6 Weather
7 State of health

Question 3

Unit for energy?

Answer 3

Joule ( J )

Question 4

Name all the organs in the human digestive system.

Answer 4

1 Mouth
2 Oesaphagus
3 Stomach
4 Duodenum
5 Small intestine
6 Large intestine
7 Rectum
8 Anus

Question 5

What happens in the mouth?

Answer 5

Saliva secreted softens food

Question 6

What happens in the oesophagus?

Answer 6

1 Food that enters are called bolus. (close to bonus) 😗

2 Peristalsis process occurs (to push down food into stomach)

Question 7

What happens in the stomach?

Answer 7

1 Gastric juice secreted (to kill bacteria)

2 Semi liquid thingy called chyme 🤷🏻

Question 8

What happens in the small intestine?

Answer 8

1 Bile is produced at liver, stored in gall bladder.

2 Bile neutralizes acid of food

3 Pancreatic juice secreted

Question 9

Name the 4 characteristics of small intestine.

Answer 9

1 about 6 metres long
2 covered by villi
3 numerous blood capillaries
4 thin walls with one cell thick

Question 10

Define assimilation.

Answer 10

Assimilation is the distribution of end products of digestion to all parts of the body for the use of body cells.

Question 11

Define constipation.

Answer 11

Constipation is the difficulty to eliminate faeces from our body.