Pregunta 1
Pregunta
What is the function of the oesophagus?
Pregunta 2
Pregunta
How is the alveoli adapted for gas exchange?
Respuesta
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It has fix walls so it doesn't lose its shape, it is protected.
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It has a large surface area and short diffusion distances between the air and the blood.
Pregunta 3
Pregunta
During inhalation:
the diaphragm muscles relax and the internal intercostal muscles contract
Pregunta 4
Pregunta
What is Vitamin A's role in the body?
Respuesta
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sticks together cells lining surfaces in the body, eg. mouth
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makes chemicals in retina, protects surface of eye and connective tissue
Pregunta 5
Pregunta
Where is lipase found in the body?
Pregunta 6
Pregunta
The blood has four main components: white blood cells, red blood cells, capillaries, plasma
Pregunta 7
Pregunta
Systemic circulation is when:
Pregunta 8
Pregunta
What is the role of plasma?
Pregunta 9
Pregunta
Sensory neurons carry information from sense organs to the central nervous system (CNS)
Pregunta 10
Pregunta
Which is the correct series of events?