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Muscular System Lesson

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

Fill in the blank: ________ is body tissue consisting of long cells that can contract and produce motion.

a)

Muscle

b)

Bone

c)

Nerve

d)

Skin

2.

The muscular system is an organ system in the body. It consists of ________, smooth and cardiac muscle. Its role is to help the body to move, maintain posture and circulate blood through the body.

a)

skeletal

b)

digestive

c)

respiratory

d)

nervous

3.

Which of the following is NOT a type of muscle found in the muscular system?

a)

Skeletal

b)

Smooth

c)

Cardiac

d)

Nervous

4.

What is one of the main roles of the muscular system?

a)

To help the body to move, maintain posture and circulate blood through the body.

b)

To produce hormones for the body.

c)

To filter waste from the blood.

d)

To transmit electrical signals throughout the body.

5.

What is the main function of the Muscle Belly?

a)

The Muscle Belly is the thick, central part of the muscle that contracts to produce movement.

b)

It stores calcium for muscle contraction.

c)

It connects muscles to bones.

d)

It produces red blood cells.

6.

What are Muscle Fibers?

a)

Muscle Fibers are the individual contractile cells that make up the muscle.

b)

Muscle Fibers are the bones that support the body.

c)

Muscle Fibers are the nerves that transmit signals to the brain.

d)

Muscle Fibers are the blood vessels that carry oxygen.

7.

What is a Myofibril?

a)

A Myofibril is a basic rod-like unit of a muscle cell responsible for muscle contraction.

b)

A Myofibril is a type of connective tissue found in bones.

c)

A Myofibril is a gland that secretes hormones in the endocrine system.

d)

A Myofibril is a type of neuron found in the brain.

8.

What is the function of a Tendon?

a)

A Tendon connects muscle to bone and transmits the force generated by the muscle to move the bone.

b)

A Tendon connects bone to bone and stabilizes joints.

c)

A Tendon produces red blood cells in the body.

d)

A Tendon stores minerals such as calcium and phosphorus.

9.

What is a Ligament?

a)

A Ligament is a fibrous connective tissue that connects bones to other bones at joints.

b)

A Ligament is a type of muscle that moves bones.

c)

A Ligament is a fluid found in the joints.

d)

A Ligament is a bone that supports the body.

10.

When we measure muscle girth, what do we need to locate?

a)

Muscle Fibre

b)

Muscle Belly

c)

Myofibril

d)

Blood vessels

11.

Fill in the blank: Muscle fibers are ________, elongated cells that make up your muscles and allow them to contract and produce movement.

a)

individual

b)

liquid

c)

circular

d)

rigid

12.

Fill in the blank: ______ are tiny, rod-like organelles that make up muscle cells (fibers) and are responsible for muscle contractions.

a)

Myofibrils

b)

Mitochondria

c)

Ribosomes

d)

Lysosomes

13.

Fill in the blank: Tendons attach ______ to bone. The tendons are located at each end of the muscles.

a)

muscle

b)

skin

c)

nerve

d)

artery

14.

Fill in the blank: Ligaments attach ______ to bone. The task of ligaments is to stabilize and strengthen the joint.

a)

bone

b)

muscle

c)

skin

d)

cartilage

15.

Because of tendons, all muscles have an ___________.

a)

origin and insertion

b)

ligament and joint

c)

artery and vein

d)

nerve and fiber

16.

What is the origin in muscle attachment?

a)

Where the muscle attaches to the stationary bone

b)

Where the muscle attaches to the mobile bone

c)

Where the tendon attaches to the skin

d)

Where the bone attaches to another bone

17.

What is the insertion in muscle attachment?

a)

Where the muscle attaches to the stationary bone

b)

Where the muscle attaches to the mobile bone

c)

Where the tendon attaches to the skin

d)

Where the bone attaches to another bone

18.

Fill in the blank: __________ muscles are muscles which are not under our conscious control.

a)

Involuntary

b)

Voluntary

c)

Skeletal

d)

Cardiac

19.

Which type of muscles are under our conscious control, so we can move these muscles when we choose to?

a)

Involuntary muscles

b)

Voluntary muscles

c)

Cardiac muscles

d)

Smooth muscles

20.

Fill in the blank: ________ is an involuntary muscle found in internal organs and blood vessels.

a)

Smooth muscle

b)

Skeletal muscle

c)

Cardiac muscle

d)

Striated muscle

21.

Which type of muscle is found only in the heart?

a)

Smooth muscle

b)

Cardiac muscle

c)

Skeletal muscle

22.

Fill in the blank: ________ is a voluntary muscle attached to the skeleton.

a)

Skeletal muscle

b)

Cardiac muscle

c)

Smooth muscle

d)

Involuntary muscle

23.

What are fast twitch muscle fibers?

a)

Skeletal muscle fibers that contract quickly and powerfully, responsible for short, high-intensity bursts of activity such as sprinting, jumping, and weightlifting.

b)

Skeletal muscle fibers that contract slowly and sustain contractions for extended periods.

c)

Muscle fibers found only in the heart.

d)

Muscle fibers responsible for digestion.

24.

What are slow twitch muscle fibers?

a)

Skeletal muscle fibers that contract quickly and powerfully.

b)

Skeletal muscle cells that contract slowly but can sustain contractions for extended periods, responsible for endurance activities such as running, swimming, and cycling.

c)

Muscle fibers found only in the heart.

d)

Muscle fibers responsible for digestion.

25.

Fill in the blank: Fast twitch muscle fibers are primarily responsible for short, high-intensity bursts of activity such as ________, jumping, and weightlifting.

a)

sprinting

b)

yoga

c)

walking

d)

meditation

26.

Most muscles have a mixture of both types of muscle fibers.

a)

True

b)

False

27.

Fill in the blank: ________ contractions include concentric contraction, where the muscle shortens and fattens, as well as eccentric contraction where the muscle lengthens and flattens.

a)

Isotonic

b)

Isometric

c)

Isokinetic

d)

Auxotonic

28.

Fill in the blank: ________ contraction involves a muscle staying the same length despite building tension. This occurs when the body remains in one position.

a)

Isometric

b)

Isotonic

c)

Eccentric

d)

Concentric

29.

Fill in the blank: ________ involves the body moving through a continuous range of motion.

a)

Dynamic Movement

b)

Static Hold

c)

Isometric Contraction

d)

Passive Stretch

30.

Fill in the blank: ________ are actions that are held or sustained without continuous motion.

a)

Static Movement

b)

Dynamic Movement

c)

Rotational Movement

d)

Transitional Movement

31.

What are antagonistic pairs?

a)

Pairs of bones that work together

b)

Pairs of muscles that work together by one contracting and one relaxing

c)

Pairs of nerves that work together

d)

Pairs of organs that work together

32.

In an antagonistic pair, the contracting muscle is called the _______.

a)

agonist

b)

antagonist

c)

flexor

d)

extensor

33.

In an antagonistic pair, the relaxing muscle is called the _______.

a)

antagonist

b)

agonist

c)

flexor

d)

extensor

34.

In antagonistic pairs, both muscles contract at the same time.

a)

True

b)

False

35.

Fill in the blank: Synergistic pairs are ________ that work together to produce a movement or action at a joint, with one muscle acting as the primary mover (agonist) and the other(s) as a synergist.

a)

two or more muscles

b)

two bones

c)

ligaments and tendons

d)

nerves and blood vessels

36.

Fill in the blank: According to the force-velocity relationship, the slower a muscle shortens, the _______ the force it generates. Conversely, the faster a muscle shortens, the _______ force it generates.

a)

greater, less

b)

less, greater

c)

greater, greater

d)

less, less

37.

According to the force-velocity relationship, what happens when a muscle shortens faster?

a)

It generates more force

b)

It generates less force

c)

The force remains the same