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18 questions
Recall how a neuron sends a message
Hormonally
Electrochemically
Physically
Chemically
What is the respiratory system used for?
Transporting oxygen and nutrients throughout the body
Acquiring nutrients from food
Exchanging carbon dioxide and oxygen with the environment
Exchanging carbon dioxide and oxygen with the environment
What is the cardiovascular system used for?
Transporting oxygen and nutrients throughout the body
Acquiring nutrients from food
Exchanging carbon dioxide and oxygen with the environment
Expelling waste products from the body
What is the coloured structure in the diagram?
Abdomen
Alveoli
Larynx
Diaphragm
What is the coloured structure in the diagram above?
Pharynx
Larynx
Trachea
Bronchi
In humans, gas exchange only occurs in the alveoli. The rest of the respiratory system just transports air in and out of the alveoli.
True
False
Does air have a higher concentration of oxygen before it is inhaled into the lungs, or after it is exhaled from the lungs?
Before inhalation
After exhalation
Recall the name of the heart chambers that receive blood from the veins.
Atrium
Ventricle
Vena cava
Aorta
Name the heart chamber that contracts to push blood into the arteries.
Valve
Vein
Atrium
Ventricle
Shaan has come across this labelled blood vessel in the diagram below. It is an artery that receives blood from the right ventricle, and leads towards the lungs.
Lung artery
Aorta
Pulmonary artery
Vena cava
The concentration of oxygen is higher outside of the cell than inside the cell.
State where the oxygen will move
There will be no net movement
Into the cell
Out of the cell
Sugars dissolved in water are in high concentration outside of the cell, but low concentration inside the cell.
State where the water will move.
There will be no net movement
Into the cell
Out of the cell
Sugars dissolved in water are in high concentration outside of the cell, but low concentration inside the cell.
State where the water will move.
There will be no net movement
Into the cell
Out of the cell
There is a high concentration of waste products dissolved in water inside the cell.
State where the water will move.
There will be no net movement
Into the cell
Out of the cell
Salt particles dissolved in water are at equal concentrations inside and outside of the cell.
State where the water will move.
There will be no net movement
Into the cell
Out of the cell
Select the correct term for the following definition:
"Nerve cells that carry messages from the CNS to effectors"
Motor
Sensory
Relay
Select the correct term for the following definition:
"Nerve cells that carry messages within the CNS"
Motor
Sensory
Relay
Select the correct term for the following definition:
"Nerve cells that carry messages from receptors to the CNS"
Motor
Sensory
Relay
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