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Because their hearing apparatus (ear) is not tuned to hear ultrasound.
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∙ 10y ago
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What is the definition of deafness?
Unable to hear.
What mammal makes sounds people cant hear?
Bats. They are blind and use echolocation to navigate when they are flying. They emit high pitched sounds humans ears are unable to hear. The sound frequency in a human voice is too low pitched for them to hear.
What's the definition of Deafness?
Unable to hear.
What are the human limitation?
humans are unable to see things that are too small, walk long distance and hear somethin too soft or too far away.
What's Deafness?
Deafness is when somone is unable to hear anything.
Can an owl hear a human heartbeat?
Yes, they can. They have the ability to hear the heartbeat of a mouse, so a human heart wouldn't be a problem for them to hear.
Which flying mammal makes sounds that humans are unable to hear?
bat
What is the lowest pitch a human can hear?
20 Hertz to 20,000 Hertz is the frequency response range that a human can hear. So in answer to your question 20 Hertz would be the lowest pitch a human can hear.
Where other than space would you be unable to hear sound?
In a vacum. in a vacum.
What does unabler mean?
Able means "can do". Unable means "cannot do". This could refer to an action, behavior, speech, etc. Examples: I'm unable to say why the experiment failed. I'm unable to walk. I'm unable to hear. I'm unable to move. I'm unable to feel.
The highest frequency sound human ears can usually hear is about?
The average human can hear frequencies of up to 20,000 Hertz.
Can an ultarsound and a pap smear make you abort at 6 weeks?
No, ultrasound and pap smears can't cause miscarriage. They are normal parts of prenatal care.
