Bone Basics
The skeletal system supports and protects your body parts and gives your body this basic feature.
a) Strength
b) Shape
c) Flexibility
d) Balance
Answer: b) Shape
This type of bone is thin and flat, often curved. Examples include the shoulder blade and hips.
a) Long bone
b) Irregular bone
c) Flat bone
d) Short bone
Answer: c) Flat bone
These muscles are involuntary and help pump blood through the body.
a) Smooth muscles
b) Cardiac muscles
c) Skeletal muscles
d) Core muscles
Answer: b) Cardiac muscles
The bone located in your upper arm.
a) Femur
b) Radius
c) Humerus
d) Tibia
Answer: c) Humerus
When a muscle is overstretched or torn, this injury occurs.
a) Sprain
b) Tear
c) Fracture
d) Strain
Answer: d) Strain
This is the total number of bones in the adult human skeleton.
a) 206
b) 300
c) 150
d) 250
Answer: a) 206
This type of joint allows for rotation in a circle and is found in the shoulder and hip.
a) Ball-and-socket
b) Pivot
c) Gliding
d) Hinge
Answer: a) Ball-and-socket
This system works with the skeletal system to help the body move.
a) Circulatory system
b) Nervous system
c) Muscular system
d) Digestive system
Answer: c) Muscular system
The group of muscles found in the front of your thigh.
a) Hamstrings
b) Quadriceps
c) Calves
d) Abdominals
Answer: b) Quadriceps
This injury involves damage to the tendons or ligaments.
a) Strain
b) Tear
c) Sprain
d) Pull
Answer: c) Sprain
These are the two major divisions of the skeletal system.
a) Skull and ribs
b) Arms and legs
c) Axial and appendicular
d) Long and short
Answer: c) Axial and appendicular
This joint glides over other bones and can be found in your wrist and ankles.
a) Pivot
b) Hinge
c) Ball-and-socket
d) Gliding
Answer: d) Gliding
These muscles are found in internal organs and are involuntary.
a) Smooth muscles
b) Cardiac muscles
c) Skeletal muscles
d) Core muscles
Answer: a) Smooth muscles
This bone is also called the "collarbone."
a) Clavicle
b) Sternum
c) Scapula
d) Pelvis
Answer: a) Clavicle
What’s the biggest difference between a strain and a sprain?
a) A strain happens when a muscle is stretched too far, and a sprain happens when a ligament is hurt.
b) A strain is a broken bone, and a sprain is a hurt muscle.
c) A strain happens to your heart, and a sprain happens to your legs.
d) A strain only happens to older people, and a sprain happens to kids.
Answer: a) A strain happens when a muscle is stretched too far, and a sprain happens when a ligament is hurt.
This outer surface of a bone contains blood and nerve endings.
a) Compact bone
b) Bone marrow
c) Periosteum
d) Spongy bone
Answer: c) Periosteum
The wrist and ankle are examples of this type of bone, where length and width are similar.
a) Long bones
b) Irregular bones
c) Flat bones
d) Short bones
Answer: d) Short bones
These muscles are voluntary, move bones, and are attached to bones.
a) Smooth muscles
b) Skeletal muscles
c) Cardiac muscles
d) Core muscles
Answer: b) Skeletal muscles
These two muscles are found in the upper arm, responsible for bending and straightening the elbow.
a) Deltoids and triceps
b) Biceps and triceps
c) Quadriceps and hamstrings
d) Gluteus maximus and pectorals
Answer: b) Biceps and triceps
These muscles help you with walking, running, and jumping.
a) Upper body muscles
b) Lower body muscles
c) Core muscles
d) Cardiac muscles
Answer: b) Lower body muscles
This part of the bone produces blood cells.
a) Compact bone
b) Spongy bone
c) Periosteum
d) Bone marrow
Answer: d) Bone marrow
Name the four main types of joints.
a) Ball-and-socket, gliding, hinge, and pivot
b) Gliding, rotational, ball-and-socket, and straight
c) Pivot, rotational, sliding, and hinge
d) Hinge, gliding, sliding, and ball-and-socket
Answer: a) Ball-and-socket, gliding, hinge, and pivot
These muscles are found in your stomach and heart but function differently. Name their types.
a) Skeletal and smooth muscles
b) Smooth and cardiac muscles
c) Cardiac and core muscles
d) Smooth and voluntary muscles
Answer: b) Smooth and cardiac muscles
The group of muscles that help with balance, posture, and protecting the spine.
a) Core muscles
b) Lower back muscles
c) Obliques
d) Calves
Answer: a) Core muscles
These are the three main roles of the core muscles.
a) Strength, lifting, and circulation
b) Balance, posture, and spine protection
c) Movement, digestion, and heat production
d) Posture, digestion, and movement
Answer: b) Balance, posture, and spine protection