U4Q4:Bone Formation & Remodeling

What is the initial material that an embryo's skeleton is made of?

• Bone

• Cartilage

• Muscle

Tags

NGSS.MS-LS1-5

What cells secrete mineral deposits to replace cartilage?

• Osteoclasts

• Osteoblasts

• Fibroblasts

What is the process of incorporating calcium and minerals into cartilage called?

• Calcification

• Ossification

• Mineralization

What type of cells are chondrocytes?

• Cartilage cells

• Muscle cells

• Blood cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

What do osteoclasts secrete to enlarge the medullary cavity?

• Enzymes

• Acid

• Hormones

What is the organic component of bone called?

• Hydroxyapatite

• Osteoid

• Calcium

What percentage of bone composition is mineral salts like hydroxyapatite?

• 35%

• 65%

• 80%

What hormone deposits extra calcium from blood into bones?

• Parathyroid hormone (PTH)

• Calcitonin

• Insulin

Tags

NGSS.HS-LS1-3

What hormone stimulates osteoclasts to break down bone?

• Calcitonin

• Parathyroid hormone (PTH)

• Growth hormone

What forms first when a bone is broken?

• Hematoma

• Compact bone

• Spongy bone