2.3 energy and waste

Question 1

when you put food in your mouth

Answer 1

ingestion

Question 2

where does chemical and mechanical digestion begin

Answer 2

mouth

Question 3

the amount of energy in food measured in

Answer 3

calorie

Question 4

the amount of energy it takes to raise the temperature 1 kg of water by 1 c.

Answer 4

calorie

Question 5

releases the energy from the processed food

Answer 5

your digestive system

Question 6

the parts of food used by the body to grow and survive

Answer 6

nutrients

Question 7

5 examples of nutrients

Answer 7

proteins fats carbohydrates vitamins and minerals

Question 8

the mechanical and chemical breakdown of food into small particles and molecules that your body can absorb and use

Answer 8

digestion

Question 9

the steps of digestion

Answer 9

ingestion digestion absorption and elimination

Question 10

when you chew/mash and grind food with your teeth

Answer 10

mechanical digestion

Question 11

break down pieces of food into small molecules

Answer 11

chemical digestion

Question 12

when you put food such as bread in your mouth

Answer 12

ingestion

Question 13

an enzyme that helps break down food in your mouth

Answer 13

saliva

Question 14

a muscular tube that connects to the stomach

Answer 14

esophagus

Question 15

food move though the esophagus and the rest of the digestive track by waves of contractions

Answer 15

peristalasis

Question 16

a large hollow organ that breaks up food

Answer 16

stomach

Question 17

an adult stomach can hold about ————————– of food and liquid

Answer 17

2 liters

Question 18

enables the stomach to expand and holds large amounts

Answer 18

the folds on the inner walls

Question 19

the cells in these folds produce chemicals that breaks down

Answer 19

protiens

Question 20

this stomach fluid makes the stomach acidic

Answer 20

gastric juice

Question 21

a enzyme that helps break down food and nutrients

Answer 21

pepsin

Question 22

a long tube connected to the stomach

Answer 22

small intestine

Question 23

finger like projections that cove the folds of the small intestine

Answer 23

villi

Question 24

nutrients enter the blood through the blood vessels

Answer 24

small intestine

Question 25

also known as the colon

Answer 25

large intetine

Question 26

is about 5 feet long it has a larger diamiter

Answer 26

large intestine

Question 27

where water leaves the food

Answer 27

large intestine

Question 28

the last part of the digestive track

Answer 28

rectun

Question 29

the “exit door” of the body

Answer 29

anus

Question 30

the semisolid leaving the anus

Answer 30

feces

Question 31

removes liquid from the body

Answer 31

urinary system

Question 32

bean shaped thing that filter water

Answer 32

kidneys

Question 33

ureters from the kidneys deliver pee to the water balloon shaped thing called the

Answer 33

bladder

Question 34

liquid waste leave through this

Answer 34

urethra