Human Bones and Their Functions

In this video, Sean Allen presents part five of a nine-part series on the skeletal system, focusing on the bones in the arms and legs. The video explains that each arm contains three bones: the humerus, ulna, and radius, which allow for arm and wrist movement. The leg bones discussed include the femur, patella, tibia, and fibula, with the femur being the largest bone in the body. The video concludes with a review and a preview of the next episode, which will cover the bones in the hands and feet.

What is the main topic of this video?

• The organs in the human body

• The muscles in the human body

• The bones in the human limbs

• The bones in the human skull

How many bones are there in each arm, excluding the hands and shoulder?

• Four

• Three

• Two

• Five

Which bone is attached to the scapula?

• Radius

• Ulna

• Humerus

• Femur

What is the function of the radius and ulna?

• They help you twist your arm and wrist

• They support the shoulder

• They connect to the fingers

• They are part of the leg

Which bone is the largest in the human body?

• Tibia

• Femur

• Humerus

• Fibula

What is another name for the patella?

• Knee

• Ankle

• Thigh

• Shin

Which bones are connected to the femur?

• Radius and Ulna

• Tibia and Fibula

• Humerus and Scapula

• Patella and Tibia

How many bones are there in the leg?

• Three

• Two

• Five

• Four

Which bone is known as the thigh?

• Femur

• Patella

• Fibula

• Tibia

What will be discussed in the next episode?

• Bones in the hands and feet

• Bones in the spine

• Bones in the ribcage

• Bones in the skull