Nutrients,Food Tests , Teeth

Question 1

Why do people eat food

Answer 1

We like and enjoy the food we eat . To get nutrients into our body

Question 2

What does the body do with nutrients found in the body

Answer 2

Provide energy. Provide materials for chemicals that make new cells

Question 3

Name the different types of food we find in output diets

Answer 3

Minerals
Water
Fiber
Fat
Protein
Carbohydrates
Vitamins

Question 4

What is the function of protein

Answer 4

To supply nutrients . To used for making new cells . Used to make enzymes and antibodies . Used as a source of energy

Question 5

Function of carbohydrates

Answer 5

Main source of energy

Question 6

Function of fat

Answer 6

Reserve source of energy . Helps with thermal insulation

Question 7

Vitamin C

Answer 7

Good source
Citrus foods
Function in the body
To make skin stronger
Deficiency disease
Scurvy - skin becomes weak so sores develop

Question 8

Vitamin D

Answer 8

Good source
Diary products
-Function in body
To make bones and teeth stronger
-Deficiency disease
Rickets - bones are weak , so legs bend

Question 9

Iron

Answer 9

Good source
Dark green veggies
Red meat
Function in body
Needed to make hemoglobin, which carries oxygen
Deficiency
Amanda - blood cannot carry oxygen person feels tired

Question 10

Calcium

Answer 10

Good source
Diary products,fish
Function in body
Make bones and teeth stronger
Diefincy disease
Bones and teeth become weak

Question 11

How does the amount of vitamins and minerals we need in our diets compare to the amount of proteins and carbohydrates we need in our diets.

Answer 11

We need carbohydrates and protein in larger amounts. Vitamins and minerals in smaller amounts

Question 12

What is the function of fibre in the body?

Answer 12

Help food move more easily through the digestive system .
Helps prevent colon cancer

Question 13

Function of water

Answer 13

60-70% of our body is water. Water helps cool our body down. Water transports waste and nutrients

Question 14

What is the difference between food and nutrients.

Answer 14

Food - if things we eat and drink that contain nutrients
Nutrients - useful substances we get from food . Supplying our body with nutrients and allowing it to function.

Question 15

List of foods that provide us with energy

Answer 15

Carbohydrates
Protein
Fat

Question 16

What happens when a person suffers from a lack of iron in there diet?

Answer 16

Iron is used to make hemoglobin so the person makes less hemoglobin
Hemoglobin s used to carry oxygen so person carries less oxygen
oxygen is used in the respiration to release energy person releases is energy,,
Amenia is a condition where a person suffers from lack of energy

Question 17

Name the regent used to test for starch

Answer 17

Iodine

Question 18

What color will be observed when starch is present versuswhen , not present

Answer 18

When present, it will be blue/black
When absent, it will be red/brown

Question 19

Name the regent used to test for sugar

Answer 19

Benedict solution 

Question 20

Keep the color change when sugar is present vs absent

Answer 20

When present, it will be orange
when absent, it will be blue

Question 21

Doing a sugar, test tube is placed in boiling water. Explain why.

Answer 21

Heat is a catalyst that speeds up the rate of a chemical reaction

Question 22

What is the deposit at the bottom of the test tube called after a reducing sugar test?

Answer 22

Precipitation

Question 23

What is a pestle and mortar used for

Answer 23

Used two crushed up solid into smaller pieces that can be crushed up into smaller pieces to go through the funnel increasing surface area

Question 24

What is a diet?

Answer 24

Include the food we eat every day

Question 25

What is a balanced diet?

Answer 25

Include eating from all the food groups in the right amount every day

Question 26

What influences balanced diet?

Answer 26

Depends on the age size, how active they are , the gender if ,they are sick or not, occupation level of activity if they’re pregnant or breast-feeding.

Question 27

What is an alimentary canal? Where does it start and end?

Answer 27

starts with the mouth and ends with the anus, includes cubes in between

Question 28

Nutrition
Digestion
Absorption
Egestion

Answer 28

Food entering the alimentary canal
Food been broken up into smaller pieces
Small pieces of food going into the bloodstream to be taken to the cells
Food that has not been absorbed, is passed through the end of the digestive system

Question 29

Name the three types of molecules that cannot be able to because the two big

Answer 29

Protein starch and fat

Question 30

named the function of the mouth

Answer 30

The teeth chew the food into smaller pieces saliva helps to break down starch into sugar, tongue, helps with swallowing

Question 31

Salivary glands

Answer 31

Produce and release saliva

Question 32

Esophagus

Answer 32

Tube carrying food from the mouth to the stomach with peresterals

Question 33

Liver

Answer 33

Makes bile . Help with fat digestion. Bile helps with digestion

Question 34

Stomach

Answer 34

Hydrochloric acid kills bacteria. Stomach juices break down protein , fat and starch . Churning movements mix food

Question 35

Gall bladder

Answer 35

Stores bile. Helps with fat digestion

Question 36

Pancrease

Answer 36

Pancreatic juice breaks down fat , starch and protein. It helps to control blood sugar levels with hormones, insulates and glucagon