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Three types of muscle tissue: skeletal, smooth, and cardiac muscle.
Carnivores such as these wild dogs have skeletal adaptations for eating meat.
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
Older people who experienced stressful events in their younger years may show personal growth and ...
Approximately 40 percent of farmers in the United States are 55 years old or older
sheep skeletal