2.3 Energy & Waste

Question 1

Your body’s telling you that it needs food

Answer 1

Hunger

Question 2

The amount of energy in food is measured by

Answer 2

calories

Question 3

The amount of energy it takes to raise 1KG of water by 1C

Answer 3

Calories

Question 4

Releases the energy from the processed food

Answer 4

Your digestive system

Question 5

the part of food used to grow and survive

Answer 5

Nutrients

Question 6

5 examples of nutrients

Answer 6

Proteins, fats, carbohydrates, vitamins, and minerals

Question 7

the mechanical and chemical breakdown

Answer 7

Digestion

Question 8

The 4 steops of digestion

Answer 8

ingestion, digestion, absorbtion, and elimination

Question 9

when you chew mash and grind foor with your teeth and tongue

Answer 9

mechanical digestion

Question 10

break down peices of food

Answer 10

chemical digestion

Question 11

when you put food in your mouth

Answer 11

ingestion

Question 12

an enzyme in your mouth that helps break down carbohydrates

Answer 12

saliva

Question 13

a muscular tube that connects your mouth to your stomach

Answer 13

esophagus

Question 14

food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions

Answer 14

Peristalsis

Question 15

a large hollow organ that stores food

Answer 15

stomach

Question 16

An adult stomach can hold about ________ of food and liquid

Answer 16

2 liters

Question 17

Enable the stomach toexpand and hold large amounts of food

Answer 17

the folds on the inner walls

Question 18

The cells in these folds produce chemicals that help break down _________.

Answer 18

protiens

Question 19

The stomach fluid that makes the stomach acidic

Answer 19

Gasric juice

Question 20

an enzyme that helps break down protiens into amino acids

Answer 20

pepsin

Question 21

a long tube that is connected to the stomach. It is about 7 meters long.

Answer 21

Small intestine

Question 22

fingerlike projections that cover the folds of the long intestine.

Answer 22

villi

Question 23

Nutrients enter the blood threw blood vessels in this digestive organ

Answer 23

small intestine

Question 24

also known as the colon

Answer 24

large intestine.

Question 25

Is about 1.5m (5 ft long)

Answer 25

Large intestine

Question 26

absorbs water leaving behind semisolid waste

Answer 26

large intestine

Question 27

The last section of the intestine about 8 inches long

Answer 27

Rectum

Question 28

the final opening or exit

Answer 28

anus

Question 29

the semisolid waste that is about to leave the digest system

Answer 29

Feces

Question 29

the semisolid waste that is about to leave the digest system

Answer 29

Feces

Question 30

removes liquid from the body

Answer 30

Urinary system

Question 31

bean shaped organs that filter

Answer 31

kidneys

Question 32

Ureturs from the kidney that diliver liquid to this sack which is caled the __________.

Answer 32

Bladder

Question 33

the liquid waste leaves the body threw a small tube that connects to the bladder called the_________.

Answer 33

urethra