Understanding the Human Skeleton

What is the primary function of the skeleton in the human body?

• To provide support and structure

• To control body temperature

• To produce hormones

• To aid in digestion

How many bones does an adult human typically have?

• 206

• 300

• 250

• 180

What type of bone is found at the ends of long bones like arms and legs?

• Spongy bone

• Cortical bone

• Irregular bone

• Flat bone

What is the largest sesamoid bone in the human body?

• Mandible

• Kneecap

• Hyoid

• Sternum

Which type of cells are developed from stem cells found in bone marrow?

• Red and white blood cells

• Muscle cells

• Nerve cells

• Skin cells

What percentage of the human skeleton is made up of cortical bones?

• 70%

• 80%

• 20%

• 50%

What is the function of platelets in the bone marrow?

• To absorb nutrients

• To carry oxygen

• To fight infections

• To help with blood clotting

Which bones are considered flat bones?

• Vertebrae and sacrum

• Femur and tibia

• Carpals and tarsals

• Skull and ribs

What is the primary role of the vertebrae in the human body?

• To protect the spinal cord

• To produce blood cells

• To aid in movement

• To store minerals

How many ribs does a typical human body have?

• 12

• 24

• 33

• 206