Skeletal System
What is one main job of the skeletal system?
A. Digest food
B. Support the body
C. Pump blood
D. Help you breathe
B. Support the body
What happens when a muscle contracts?
A. It gets longer
B. It gets shorter
C. It turns into bone
D. It stops working
B. It gets shorter
Where does digestion begin?
A. Stomach
B. Mouth
C. Small intestine
D. Large intestine
B. Mouth
What organ pumps blood?
A. Lungs
B. Brain
C. Heart
D. Stomach
C. Heart
Which system(s) helps you move?
A. Digestive
B. Skeletal and muscular
C. Circulatory
D. Respiratory
B. Skeletal and muscular
Which bone protects your brain?
A. Rib
B. Skull
C. Arm bone
D. Spine
B. Skull
Which muscle is found in the heart?
A. Skeletal
B. Smooth
C. Cardiac
D. Voluntary
C. Cardiac
What tube carries food from the mouth to the stomach?
A. Trachea
B. Intestine
C. Esophagus
D. Vein
C. Esophagus
What do veins do?
A. Carry blood away from the heart
B. Carry blood to the heart
C. Carry air
D. Carry food
B. Carry blood to the heart
Which system breaks food into energy?
A. Digestive
B. Skeletal
C. Muscular
D. Circulatory
A. Digestive
Which bones protect your heart and lungs?
A. Skull
B. Arm bones
C. Ribs
D. Leg bones
C. Ribs
Which muscles help move your bones?
A. Smooth
B. Cardiac
C. Skeletal
D. Heart
C. Skeletal
What is the main job of the stomach?
A. Pump blood
B. Break down food
C. Absorb oxygen
D. Store bones
B. Break down food
What do arteries do?
A. Carry blood to the heart
B. Carry oxygen only
C. Carry blood away from the heart
D. Carry waste only
C. Carry blood away from the heart
Which system moves blood around the body?
A. Digestive
B. Muscular
C. Circulatory
D. Skeletal
C. Circulatory
Why would it be hard to move if you had no bones?
A. You could not think
B. Muscles would have nothing to pull on
C. Your heart would stop
D. You could not digest food
B. Muscles would have nothing to pull on
Which muscle works without you thinking about it?
A. Leg muscle
B. Heart muscle
C. Arm muscle
D. Hand muscle
B. Heart muscle
Where do nutrients move into the blood?
A. Mouth
B. Stomach
C. Small intestine
D. Large intestine
C. Small intestine
Blood carries oxygen and what else?
A. Nutrients
B. Muscles
C .Bones
D. Air
A. Nutrients
Which two systems work together to bend your arm?
A. Digestive and circulatory
B. Skeletal and muscular
C. Circulatory and digestive
D. Muscular and digestive
B. Skeletal and muscular
Bones are considered which of the following?
A. Cells
B. Muscles
C. Organs
D. Blood vessels
C. Organs
What happens when the biceps contract and the triceps relax?
A. The arm bends
B. The arm straightens
C. The leg moves
D. The heart beats
A. The arm bends
Why is digestion important for the body?
A. It protects bones
B. It gives the body energy
C. It helps you breathe
D. It pumps blood
B. It gives the body energy
Why does your heart beat faster when you run?
A. To digest food
B. To move more oxygen to muscles
C. To protect bones
D. To cool your body
B. To move more oxygen to muscles
What would happen if muscles could not contract?
A. You could not move food or your body
B. You could not think
C. Your bones would disappear
D. Your lungs would stop working
A. You could not move food or your body