Unit 5

Question 1

Cellular respiration

Answer 1

the process in which the body cells break down glucose using oxygen and realising the chemical energy into the glucose

Question 2

Trachea

Answer 2

is also known as the wind pipe it is also lined with cilia

Question 3

cilia

Answer 3

tiny hairlike extensions that can move in a sweeping movement

Question 4

Bronchi

Answer 4

takes air to the lungs

Question 5

Lungs

Answer 5

are the main organs of respiratory system

Question 6

alveoli

Answer 6

tiny thinwalled sacs of lung tissue where gases can move between air and blood

Question 7

Pharynx

Answer 7

or throat both the nose and mouth connect to it

Question 8

Diaphragm

Answer 8

a large domedshape muscle that you use to breath

Question 9

Larynx

Answer 9

or voice box is located at the top of your tranchea

Question 10

vocal cords

Answer 10

which are folds of connective tissue when you speak these muscles make the sound.

Question 11

Tar

Answer 11

Dark sticky substance and forms when tobacco burns

Question 12

Carbon monoxide

Answer 12

gas is dangerous because it binds to hemoglobin in red blood cells

Question 13

Nicotine

Answer 13

drug in tobacco that increases heart rate and blood pressure

Question 14

addiction

Answer 14

is something that your body relies on

Question 15

Bronchitis

Answer 15

an irritation of breathing passages that can fill with mucus and make it hard to breath

Question 16

Emphysema

Answer 16

occurs when lung tissue is damaged and breathing becomes harder

Question 17

excretion

Answer 17

the process of removing wastes

Question 18

Urea

Answer 18

is a chemical that comes from the breakdown of proteins

Question 19

What is the lungs role

Answer 19

remove wastes such as carbon dioxide and water

Question 20

Urine

Answer 20

a fluid that is largely water such as urea that are wastes products that are carried out of the body

Question 21

Kidneys

Answer 21

act like filters they remove urea and other wastes from the blood but keep materials that the body needs

Question 22

ureters

Answer 22

carry urine to the urinary bladder

Question 23

Urinary Bladder

Answer 23

a muscular sac that stores urine

Question 24

Urethra

Answer 24

is were the urine leaves the body

Question 25

Nephron

Answer 25

a tiny filtering factory that removes wastes from the blood and produces urine.

Question 26

Atherosclerosis

Answer 26

Buildup of fatty material in the blood vessels walls

Question 27

Contract

Answer 27

Shrink or draw together

Question 28

Inhale

Answer 28

To breath or draw into the lungs

Question 29

Exhale

Answer 29

To breath out