<span>The excretory system is in charge of excreting waste products. For example, carbon-dioxide is a waste product which the lungs, a part of the respiratory system, excrete.</span>
Retina
The retina is the part of the eye which converts light into electrical impulses with its photoreceptor cells (rods and cones) to the brain. Vision is achieved when light enters the pupil, focused by the lens, and converted into signals in the retina.
Answer:
it's D, all of the options will help keep you safe.
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.
Yes, standing straight and facing directly forward your feet pointed forward and slightly apart, and arms hanging down at the sides with palms facing forward.
I hope this helped.