Osteoporosis — definition?
Bone brittleness due to tissue loss.
Risk factors for osteoporosis?
Aging, hormonal changes, deficiencies, lifestyle.
Osteoporosis — definition?
Bones become brittle and fragile due to tissue loss.
Risks for osteoporosis?
Age, gender, vitamin D deficiency, hormonal changes, inactivity.
Rickets — cause?
Vitamin D deficiency impairs calcium and phosphate absorption.
Osteomalacia — key feature?
Bone softening in adults due to vitamin D deficiency.
Osteoarthritis — main symptom?
Joint pain, swelling, cartilage degeneration.
Transport system — in mammals?
Circulatory system: heart, blood vessels, blood.
Double circulatory system — function?
Separates oxygenated and deoxygenated blood for efficiency.
Answer 9 questions on Understanding the Skeletal and Circulatory Systems.
1. When was the role of vitamin D in preventing rickets officially established through scientific publication?
2. What is osteoporosis primarily characterized by?
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