Gas exchange and reproduction

Question 1

Diffusion is

Answer 1

the movement of a substance from where it is in high concentration to where it is in low concentration

Question 2

All animals respire. Respiration is

Answer 2

a chemical reaction

Question 3

During normal human respiration, glucose reacts with ___________ to produce energy.

Answer 3

oxygen

Question 4

The energy you get during respiration is needed for

Answer 4

growth, repair, movement

Question 5

What two things are bi-products of respiration? These two things need to be excreted.

Answer 5

water and carbon dioxide

Question 6

All vertebrate animals that live on land have ____________.

Answer 6

lungs

Question 7

When we breathe in, the muscle below the rib cage is pulled down, and air gets sucked into the rib cage, filling the lungs. What is this muscle called?

Answer 7

diaphragm

Question 8

Which of the following animals take in more oxygen per breath than other animals?

Answer 8

birds

Question 9

Blood cells circulating through tiny blood vessels near the lungs pick up _____________ and carry it around the body to the sites of respiration

Answer 9

oxygen

Question 10

The muscles between are ribs are called the

Answer 10

intercostal muscles

Question 11

a highly addictive drug found in tabacco smoke is

Answer 11

nicotine

Question 12

a common childhood disease involving sensitivity of the airways and a tendency to wheeze is called

Answer 12

asthma

Question 13

The maximum volume of air that can be exchanged with very deep breathing

Answer 13

vital capacity

Question 14

An alternative name for breathing to describe the movement of air in and out of the lungs

Answer 14

ventilation

Question 15

The volume of air exchanged each breath under normal resting circumstances.

Answer 15

Tidal volume

Question 16

The spongy air sacs that form the end of the bronchioles. Where gas exchange takes place in the lung.

Answer 16

alveoli

Question 17

Lung disease involving damage to the lining of the bronchi, excess mucus production and increased risk of bacterial infection.

Answer 17

Bronchitis

Question 18

The process of the removal of toxic waste products of metabolism from the body.

Answer 18

Excretion

Question 19

One of two major airways leading from the trachea to the two sides of the lung.

Answer 19

Bronchus (bronchi)

Question 20

Cancer resulting from growth of a tumour forming in the lung tissue. Usually caused by smoking.

Answer 20

Lung cancer

Question 21

Sticky residue from tobacco smoke that coats the lungs of smokers. Contains carcinogens and other harmful chemicals.

Answer 21

tar

Question 22

Small tubes that branch repeatedly from the bronchi and the trachea in the lungs ending in the alveoli.

Answer 22

Bronchioles