Muscles and Bones

What is the longest bone in the human body?

• Femur

• Tibia

• Fibula

• Humerus

How many bones are there in an adult human skeleton?

• 206

• 210

• 195

• 230

What is the main function of the axial skeleton?

• To provide an attachment for muscles that move the appendicular skeleton

• To protect the central nervous system

• To assist with movement of the body

• To produce blood cells

Which of the following muscles is responsible for the flexion of the arm at the elbow?

• Biceps brachii

• Triceps brachii

• Deltoid

• Brachialis

Which muscle of the back is primarily used while completing chin ups

• Latissimus Dorsi

• Rhomboids

• Erector Spinae

• Trapezius

Which bone is commonly known as the kneecap?

• Patella

• Femur

• Tibia

• Fibula

What is the primary function of the muscular system?

• To provide structure to the body

• To protect internal organs

• To produce movement

• To store minerals

Which of the following is NOT a role of the muscular system?

• Allow movement

• Maintain posture

• Generate heat

• Produce blood cells

The deltoid muscle is found in which part of the body?

• The arm

• The thigh

• The shoulder

• The calf

Which muscle is responsible for the extension of the arm at the elbow?

• Biceps brachii

• Triceps brachii

• Deltoid

• Brachialis