Question

1 How do humans and other animals detect sound energy​

Answer 1

The human ear, which is located in the skull, is divided into three sections: (1) the outer ear collects and directs sound, (2) the middle ear filters and amplifies the acoustic energy to the inner ear, and (3) the inner ear transforms the acoustic energy to electrical signals (neural impulses) that are processed by the brain. The outer ear includes the ear flap (pinna) and outer ear canal (external auditory meatus). The pinna funnels sound into the outer ear canal. The canal ends in the eardrum, or tympanic membrane, which separates the outer and middle ear. The middle ear in land mammals is an air-filled space that contains a series of three small bones or ossicles called the incus (anvil), malleus (hammer), and stapes (stirrup). These bones connect the tympanic membrane and the oval window, which is the opening to the inner ear.

Answer 2

Answer:

hi....here is your answer

Explanation:

Nerve impulses travel up the nerve to the temporal lobe of the brain. The intensity of a sound can be identified based on the number of hair cells affected and the number of impulses sent to the brain.

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