Gaseous Exchange { 5 }

Questão 1 de 18

1

To support _, cells take in oxygen and give out carbon dioxide by a process called _ .

Selecione uma das seguintes:

aerobic respiration | cellular respiration
aerobic respiration | gaseous exchange
anaerobic respiration | gaseous exchange

Explicação

Questão 2 de 18

1

Gaseous exchange -the exchange of gases between an organism and its environment- takes place by..

Selecione uma das seguintes:

diffusion
osmosis
facilitated diffusion
active transport
bulk transport

Explicação

Questão 3 de 18

1

Highlight the factors that determine the rate of diffusion in living things.

Selecione uma ou mais das seguintes:

the amount of oxygen available in the blood stream only
the amount of carbon dioxide in the body
the size of the surface area available for gaseous exchange
the difference in concentration
the length of an organism
the length of the diffusion path
the size of a living thing only

Explicação

Questão 4 de 18

1

The shorter the diffusion path, the lower the rate of diffusion -so the respiratory surface must be as thin as possible.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 5 de 18

1

Many multicellular animals have very many of their cells too far away from the body surface to receive enough oxygen by diffusion alone.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 6 de 18

1

Active organisms have an _ metabolic rate and so require more_ in their cells; mammals have specialised organs for gaseous exchange.

Selecione uma das seguintes:

increased | oxygen
decreased | oxygen
increased | carbon dioxide
decreased | carbon dioxide

Explicação

Questão 7 de 18

1

In mammals the respiratory surface consists of..

Selecione uma das seguintes:

gut
capillaries
lungs
arteries

Explicação

Questão 8 de 18

1

Since the lungs are in a protective position inside the _, air must be brought to the respiratory surface and so the lungs must be _ .

Selecione uma das seguintes:

chest | freed
oesophagus | cushioned
trachea | ventilated
thorax | ventilated

Explicação

Questão 9 de 18

1

A ventilation system is..

Selecione uma das seguintes:

an enzyme-activated mechanism that moves air in and out of the lungs efficiently, maintaining the concentration gradient for diffusion.
a pumping mechanism that moves air in and out of the lungs efficiently, maintaining the concentration gradient for diffusion.
a pumping mechanism that moves air into the lungs efficiently, maintaining the concentration gradient for diffusion.
a pumping mechanism that moves air out of the lungs efficiently and maintains the concentration gradient for facilitated diffusion.

Explicação

Questão 10 de 18

1

The lungs are housed in the thorax, an _ formed by the _ and its _ with a domed floor, the _ .

Selecione uma das seguintes:

airtight | rib-cage | intercostal muscles | diaphragm
impervious | rib-cage | intercostal muscles | abdomen
upright | rib-cage | muscles | diaphragm
airtight | ribs | intercostal muscles | stomach

Explicação

Questão 11 de 18

1

The internal surfaces of the thorax are lined by the..

Selecione uma das seguintes:

finger-like projections, villi
double membrane
epidural membrane
pleural membrane
nuclear membrane

Explicação

Questão 12 de 18

1

This membrane secretes _ which is a lubricating liquid derived from _ and protects the lungs from friction during breathing movements.

Selecione uma das seguintes:

serotonin | platelets
pleural fluid | blood plasma
pleural fluid | platelets
oxytocin | platelets

Explicação

Questão 13 de 18

1

The _ work together to prevent food from entering the which which connects the lungs to the _ at the rear of the mouth and runs beside the _ .

Selecione uma das seguintes:

glottis and epiglottis | trachea | pharynx | oesophagus
glottis and cartilaginous flap | trachea | pharynx | oesophagus
glottis and epiglottis | oesophagus | pharynx | trachea
glottis and epiglottis | pharynx | trachea | oesophagus

Explicação

Questão 14 de 18

1

Air is drawn into the alveoli when the air pressure is lower in the lungs than in the atmosphere; it is then forced out when the situation reverses.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 15 de 18

1

The volume of the thorax is decreased when the ribs move up and out an the diaphragm dome is lowered.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 16 de 18

1

The volume of the thorax is decreased by the diaphragm muscles relaxing and becoming more dome shaped by pressure from below; the ribs now move in and down as the intercostal muscles relax.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 17 de 18

1

The lung tissue consists of the alveoli, arranged in clusters and served by a bronchiole. They have __ and a _ system wraps around the clusters of them and is connected to the _ and is drained by a branch of the _ .

Selecione uma das seguintes:

integral walls | capillary | pulmonary artery | pulmonary vein
elastic connective tissue | capillary | pulmonary artery | pulmonary vein
elastic connective tissue | capillary | pulmonary vein | pulmonary artery

Explicação

Questão 18 de 18

1

Highlight the advantageous features of alveoli.

Selecione uma ou mais das seguintes:

thick walls -prevent pathogens from crossing into blood stream
Large surface area
only artery supply to alveoli
Thin walls -short diffusion path
compact small surface area
capillary supply to alveoli
surface film of moisture

	Criado por cloud.berry mais de 10 anos atrás

Chapter 7, Part 5.

Gaseous Exchange { 5 }

Questão 1 de 18

To support ___, cells take in oxygen and give out carbon dioxide by a process called ___ .

Selecione uma das seguintes:

Explicação

Questão 2 de 18

Gaseous exchange -the exchange of gases between an organism and its environment- takes place by..

Selecione uma das seguintes:

Explicação

Questão 3 de 18

Highlight the factors that determine the rate of diffusion in living things.

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 18

The shorter the diffusion path, the lower the rate of diffusion -so the respiratory surface must be as thin as possible.

Selecione uma das opções:

Explicação

Questão 5 de 18

Many multicellular animals have very many of their cells too far away from the body surface to receive enough oxygen by diffusion alone.

Selecione uma das opções:

Explicação

Questão 6 de 18

Active organisms have an ___ metabolic rate and so require more___ in their cells; mammals have specialised organs for gaseous exchange.

Selecione uma das seguintes:

Explicação

Questão 7 de 18

In mammals the respiratory surface consists of..

Selecione uma das seguintes:

Explicação

Questão 8 de 18

Since the lungs are in a protective position inside the ___, air must be brought to the respiratory surface and so the lungs must be ___ .

Selecione uma das seguintes:

Explicação

Questão 9 de 18

A ventilation system is..

Selecione uma das seguintes:

Explicação

Questão 10 de 18

The lungs are housed in the thorax, an ___ formed by the ___ and its ___ with a domed floor, the ___ .

Selecione uma das seguintes:

Explicação

Questão 11 de 18

The internal surfaces of the thorax are lined by the..

Selecione uma das seguintes:

Explicação

Questão 12 de 18

This membrane secretes ___ which is a lubricating liquid derived from ___ and protects the lungs from friction during breathing movements.

Selecione uma das seguintes:

Explicação

Questão 13 de 18

The ___ work together to prevent food from entering the __ which which connects the lungs to the ___ at the rear of the mouth and runs beside the ___ .

Selecione uma das seguintes:

Explicação

Questão 14 de 18

Air is drawn into the alveoli when the air pressure is lower in the lungs than in the atmosphere; it is then forced out when the situation reverses.

Selecione uma das opções:

Explicação

Questão 15 de 18

The volume of the thorax is decreased when the ribs move up and out an the diaphragm dome is lowered.

Selecione uma das opções:

Explicação

Questão 16 de 18

The volume of the thorax is decreased by the diaphragm muscles relaxing and becoming more dome shaped by pressure from below; the ribs now move in and down as the intercostal muscles relax.

Selecione uma das opções:

Explicação

Questão 17 de 18

The lung tissue consists of the alveoli, arranged in clusters and served by a bronchiole. They have ____ and a ___ system wraps around the clusters of them and is connected to the ___ and is drained by a branch of the ___ .

Selecione uma das seguintes:

Explicação

Questão 18 de 18

Highlight the advantageous features of alveoli.

Selecione uma ou mais das seguintes:

Explicação

To support _, cells take in oxygen and give out carbon dioxide by a process called _ .

Active organisms have an _ metabolic rate and so require more_ in their cells; mammals have specialised organs for gaseous exchange.

Since the lungs are in a protective position inside the _, air must be brought to the respiratory surface and so the lungs must be _ .

The lungs are housed in the thorax, an _ formed by the _ and its _ with a domed floor, the _ .

This membrane secretes _ which is a lubricating liquid derived from _ and protects the lungs from friction during breathing movements.

The _ work together to prevent food from entering the which which connects the lungs to the _ at the rear of the mouth and runs beside the _ .

The lung tissue consists of the alveoli, arranged in clusters and served by a bronchiole. They have __ and a _ system wraps around the clusters of them and is connected to the _ and is drained by a branch of the _ .