8b Respiration

Question 1

Name the molecule that is needed to release energy

Answer 1

Glucose

Question 2

Aerobic respiration word formula

Answer 2

Oxygen + glucose = carbon dioxide + water

Question 3

How does the circulatory system carry blood cells

Answer 3

Glucose is absorbed by the small intestine .and oxygen is absorbed by the lungs . Both substances g9 into capillaries where they enter the blood.

Question 4

What adaptation does capillaries have

Answer 4

It has thin walls with small holes so that small molecules can get easily in and out of them

Question 5

Name of blood vessel that carries blood to your heart

Answer 5

Veins

Question 6

Name blood vessels which carry blood away from your heart

Answer 6

Arteries

Question 7

What does the right side of your heart do

Answer 7

Receives blood from all over the body and pumps it to your lungs

Question 8

What does the left side of the body do

Answer 8

Receives blood from the lungs and pumps it to the rest of the body

Question 9

Which side is bigger and why

Answer 9

The left because it has to pump harder to get the blood all the way around

Question 10

What is oxygen carried by

Answer 10

Dried blood cells

Question 11

What is dissolved glucose carried by

Answer 11

Plasma ( the liquid part of a tissue )

Question 12

What does plasma form

Answer 12

It leaks out of the capillaries and forms tissue fluid which flows over the cells

Question 13

How does oxygen leave the red blood cells

Answer 13

Oxygen leaves the red blood cells in the capillaries and dissolves in the issue fluid . The red blood cells stay inside the capillaries

Question 14

What is an aerobicexercise

Answer 14

Where you can easily get oxygen from the air

Question 15

What does carbon dioxide do

Answer 15

Stops aerobic respiration as it is poisonous

Question 16

How is carbon dioxide excreted

Answer 16

It dissolves in tissue fluid and is carried through blood plasma to the lungs to be excreted

Question 17

What is anaerobic respiration

Answer 17

Sometimes during intense exercise your body can not provide enough oxygen so it breaks down the glucose without oxygen to release energy

Question 18

Formula of anaerobic respiration

Answer 18

Glucose -> lactic acid

Question 19

What does too much lactic acid do

Answer 19

Make yourmuscles capramo

Question 20

When you stop exercising hard you continue to pant in order to supply your body with oxygen to break the lactic acid down this is called a

Answer 20

Oxygen debt

Question 21

What is breathing

Answer 21

When your muscles change the size of your lungs

Question 22

When you inhale your lungs

Answer 22

Get bigger

Question 23

When you exhale

Answer 23

Your lungs get smaller

Question 24

What does alveoli do and adaptation

Answer 24

Provides a larger surface area for absorbing oxygen and has thin walls so that substances can easily diffuse into the blood

Question 25

What colour are red blood cells when they are carrying oxygen and when they are not

Answer 25

Bright red

Dull brown

Question 26

Where is mucus made and what does it do

Answer 26

Traps dirt dust and bacteria

In the tubes down to ththe lungs

Question 27

What does Cillia do

Answer 27

Sweep mucus out of your lungs and into the gullet where it is swallowed

Question 28

Do organisms that live in water need oxygen for respiration

Answer 28

Yes