Answer:
A. The middle ear
Explanation:
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
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It is accepted to be fact by those who accept it to be fact, until further experimentation or research can prove otherwise
Answer:
Superior vena cava, Inferior vena cava, Coronary sinus.
Explanation:
Superior vena cava, Inferior vena cava and Coronary sinus deliver the oxygen poor blood to right atrium.
Superior vena cava delivers the deoxygenated blood from the upper half of the body to the right atrium.
Inferior vena cava delivers the deoxygenated blood from the lower half of the body to right atrium.
Coronary sinus delivers the oxygen-poor blood from the heart muscles to the right atrium.
Answer:
Evolution is the adaptations of organisms to their changing to there environments to better there lives. The Evolutionary processes depend on both changes in genetic variability and changes in allele over time.
