The !Kung Hunter-Gatherers of the Kalahari Desert in Africa Live

question 18

Multiple Choice

The !Kung hunter-gatherers of the Kalahari Desert in Africa live in small, nomadic groups and own few material possessions. Anthropologists refer to these cultural traits as __________ that help them survive in their social and physical environment.

• A) adaptive customs
• B) maladaptive customs
• C) assimilations
• D) backward traits

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Definitions:

Coagulation

The process by which blood changes from a liquid to a gel, forming a blood clot, which is an essential mechanism to prevent excessive bleeding when the vascular system is injured.

Fibrinolysis

The biological process by which fibrin clots, the products of coagulation, are broken down, thereby preventing blood clots from growing and becoming problematic.

Intrinsic Pathway

A series of steps in blood coagulation that is initiated by internal trauma, leading to the activation of Factor X independent of tissue factor.

Extrinsic Pathway

A pathway for blood coagulation that is initiated by external trauma leading to blood escaping from the vascular system.