The Vast Majority of African Migrants Move Within the Continent

question 261

True/False

The vast majority of African migrants move within the continent of Africa.

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Definitions:

Intercostals

Muscles located between the ribs that assist with the breathing process by facilitating the expansion and contraction of the chest cavity.

Diaphragm

A large, dome-shaped muscle located below the lungs that contracts and relaxes to aid in breathing by changing the volume of the thoracic cavity.

Scalenes

A group of three muscles in the neck that assist in breathing and movement of the cervical spine.

Transverses Thoracis

A thin muscle found within the front wall of the chest, part of the internal thoracic wall muscles, contributing to the movement of the thoracic cage.