WorksheetsExploring the Muscular System
Total questions: 10
Worksheet time: 5mins
Which type of muscle is found in the heart?
Skeletal muscle
Cardiac muscle
Smooth muscle
Voluntary muscle
What is the main function of skeletal muscles?
Pumping blood
Moving bones
Digesting food
Producing hormones
Which muscle type is under voluntary control?
Cardiac muscle
Smooth muscle
Skeletal muscle
Involuntary muscle
What is the name of the muscle pair that bends and straightens the arm at the elbow?
Biceps and triceps
Quadriceps and hamstrings
Deltoids and pectorals
Gluteus and gastrocnemius
Which of the following best describes smooth muscle?
It is attached to bones and helps in movement
It is found in the walls of internal organs and is involuntary
It is only found in the heart
It is always under conscious control
If you are running, which muscle pair in your legs is mainly responsible for bending and straightening your knee?
Biceps and triceps
Quadriceps and hamstrings
Deltoids and pectorals
Abdominals and obliques
Explain why the heart muscle is considered a special type of muscle.
Because it is voluntary and found in the arms
Because it is a type of smooth muscle
Because it is a type of muscle that works automatically and never tires
Because it is attached to bones
Which muscle pair works together to move your lower arm up and down?
Biceps and triceps
Quadriceps and hamstrings
Deltoids and trapezius
Gastrocnemius and tibialis anterior
A student observes that when she bends her arm, her biceps muscle bulges while her triceps relaxes. What can she infer about how muscle pairs work?
Muscles always contract together
Muscles in a pair work in opposition; one contracts while the other relaxes
Both muscles relax at the same time
Muscles do not work in pairs
Imagine you are designing a robot arm that mimics the human arm. Which principle from the muscular system would you use to make the arm bend and straighten at the elbow?
Use a single motor to move the arm in both directions
Use two motors that pull in opposite directions, like biceps and triceps
Use a spring to move the arm
Use gravity to move the arm
