Amoebe sister skeletal system

What is the primary component of bones?

• Collagen

• Calcium

• Keratin

• Chitin

What allows an earthworm to move through soil?

• Jointed appendages

• Muscular contraction

• Rigid exoskeleton

• Winged flight

How many bones does an adult human generally have?

• 206

• 305

• 250

• 187

Which of the following is NOT a function of the skeletal system?

• Storing important minerals

• Producing hormones

• Protecting internal organs

• Supporting the body

What type of bone is the femur classified as?

• Long bone

• Flat bone

• Short bone

• Irregular bone

Which cells are responsible for making bone?

• Osteoclasts

• Chondrocytes

• Osteoblasts

• Lysosomes

What is the main function of red marrow?

• Facilitating bone growth

• Producing blood cells

• Storing fat

• Protecting bone tissue

What happens during bone remodeling?

• Bone density decreases

• Bones fuse together

• Old or damaged bone is replaced

• Bones change shape

What is osteogenesis imperfecta?

• A vitamin deficiency affecting bone density

• A genetic disorder affecting collagen production

• A type of bone cancer

• A condition where bones grow excessively

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

Which of the following bones is considered a sesamoid bone?

• Patella

• Scapula

• Femur

• Ulna