Answer:
See explanation
Explanation:
The tympanic membrane or eardrum serves as a divider between the outer ear and the middle ear structures. It is gray-pink in color when healthy and consists of three very thin layers of living tissue. The eardrum is very sensitive to sound waves and vibrates back and forth as the sound waves strike it.
Answer:
At first, a fetus cannot distinguish between different voices.
A fetus begins responding to sound at between 22 and 24 weeks but can only hear low frequencies, such as a dog barking or a lawn mower.
As the auditory system and the brain continue to develop, this range increases. By late pregnancy, the fetus can hear voices and distinguish between
so at 22 weeks they're in the middle of the second trimester and can hear sounds but in the 3rd trimester can distinguish between voices
No ————————————〜〜〜〜〜〜〜〜〜〜〜
Answer:
False, the lymphatic vessels do not carry blood to the lymph nodes.
Explanation:
They carry lymph and white blood cells.
Answer:
A
Explanation
This organization is a legitimate pediatric society, and would only make decisions that follow laws, policies, and authorizations. They took these statistics and, in the common interest of the people, created recommendations for minors.
