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Respiration 02
During exercise you breathe more quickly, your heart beats faster and your pulse rate increases.

Respiration 02

Questions and answers about cellular respiration in animals and plants. What does aerobic mean?

This is a fun way to recap your secondary school learning.

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1.
Which two substances are needed for aerobic cellular respiration to take place?
Glucose and carbon dioxide
Glucose and water
Oxygen and glucose
Oxygen and water
Aerobic respiration occurs in animal and plant cells, releasing energy for the cell to use
2.
The trachea (windpipe) is kept open because it is contains rings made from .......
bone
capillaries
cartilage
muscle
Cartilage is a flexible material that keeps its shape. It is found in various places of your body e.g. joints and your nose
3.
The diaphragm is .......
a lining of the lungs
a muscle which connects the ribs
a sheet of muscle under the lungs
the windpipe
As this moves downwards, it increases the volume of the chest cavity
4.
Which of the following statements is FALSE?
Carbon dioxide diffuses into blood plasma from cells.
Carbon dioxide diffuses into the alveoli from the blood.
Carbon dioxide dissolves in white blood cells.
Carbon dioxide is transported in the bloodstream to the lungs.
Carbon dioxide is produced during cellular respiration. It is a waste product and therefore needs to be removed from living cells as efficiently as possible. White blood cells do not transport gases, they are present in the body as a defence system
5.
Oxygen is transported to all parts of the body by .......
blood plasma
dissolving in water
red blood cells
white blood cells
Red blood cells have no nucleus
6.
Which of the following are the products of cellular respiration?
Energy, carbon dioxide and water
Energy, glucose and carbon dioxide
Energy, oxygen and glucose
Energy, oxygen and water
The energy released by cellular respiration is required to keep the cells alive
7.
When we exhale which one of the following is NOT correct?
The volume of the thorax decreases
The air is forced out of the lungs
The diaphragm relaxes
The rib muscles contract
The rib muscles are called intercostal muscles and they relax when you breathe out
8.
Cellular respiration occurs in .......
only cells in the arms and legs
only heart cells
only muscle cells
all cells
OK, all cells isn't quite true. Cellular respiration doesn't take place in hair, nails and claws for example, because their cells are not living
9.
When we inhale which one of the following is NOT correct?
More space is formed in the thorax (volume increases)
The air pressure in the chest (thorax) increases
The diaphragm contracts
The rib muscles contract
The air pressure in the chest (thorax) decreases
10.
Which of the following is NOT true about the effect of exercise?
Breathe more quickly
Heart beats faster
Less oxygen and glucose get to the muscles
Pulse rate increases
The increased flow of blood and increased rate of inhalation means that there is a greater supply of oxygen and glucose to cells. This allows for a greater rate of cellular respiration in the muscle cells
You can find more about this topic by visiting BBC Bitesize - Respiration

Author:  Sue Davison

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