Answer: The correct option is D (Sensory hair cells)
Explanation:
The ear is one of the sense organs recognised in humans which helps in hearing and for balance maintenance. There are different parts of the ear which includes:
--> the outer ear,
--> the middle ear and
--> the inner ear.
The semicircular canals are made up of three interconnected tubes which are located in the inner part of the ear. It consists of sensory hair cells which vibrates in response to sound.
Sensory hair cells serves as receptors of both auditory and vestibular systems, therefore are necessary for hearing and balancing. These cells can become damaged due to loud noises and sometimes will die resulting in hearing loss.
<span>The answer is letter A.<span>
<span>Congestive
heart disease and asthma are examples of chronic conditions. Chronic diseases
refer to diseases that have lasted for three months or more. It cannot be
prevented by vaccines, cured by medications, and they do not just disappear. It
requires medical attention and proper care. Congestive heart diseases (CADs)
usually appear in many forms, the common ones are arteriosclerosis (hardening
of the arteries) and atherosclerosis (blockages in the blood vessels). While
asthma is a disease that is hereditary and can worsen when exposed to different
environmental pollutants (e.g. smoke, extreme cold).</span></span></span>
Answer:
yes, even though they are still intact they can sill build up bacteria/germs.
Explanation:
Hope this helps!
