Explain a link between the skeletal and nervous system

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

Cognitive development discussion question: must be at least 1 paragraph. how can you demonstrate responsible personal and social behavior during physical activities? *example: responsible personal behavior- locating dangers in your surroundings on a field; i. e. man hole covers, brick signs, holes, broken glass, etc. *example - acknowledge the performance of others, no matter the outcome *example: responsible social behavior – learning to accept rulings from officials, handling stressful situations, knowing your team role and doing your job *example - practice conflict management and listening skills in a competitive atmosphere

Which term defines one's age as measured by how well the body is working? chronological age biological age social age mental age