Muscles

What are the three types of muscles?

• voluntary muscles, involuntary muscles, and striated muscles

• skeletal muscles, smooth muscles, and cardiac muscles

What is the main function of muscles in our body?

• The main function of muscles is to facilitate movement.

• The main function of muscles in our body is produce blood cells.

• The main function of muscles in our body is to produce light

• The main function of muscles in our body give us energy.

How do muscles work together to produce movement?

• Muscles work together by contracting and relaxing in a coordinated manner.

• Muscles work together by inflating and deflating.

• Muscles work together by expanding and contracting randomly.

• Muscles work together by vibrating in unison.

Which type of muscle is voluntary ?

• Nervous muscle

• Cardiac muscle

• Skeletal muscle

• Smooth muscle

What is the function of cardiac muscles?

• Filtering waste products

• Pumping blood throughout the body

• Digesting food

• Regulating body temperature

Name the muscle group responsible for bending the arm.

• pectoralis

• deltoid

• triceps

• biceps

Explain how muscles help us maintain posture.

• Muscles have no impact on maintaining posture.

• Muscles contract and relax to support the skeleton and keep the body upright.

• Muscles expand and contract to push the body downwards.

• Muscles only help with movement, not posture.

What is the role of skeletal muscles in the body?

• Skeletal muscles are responsible for vision and hearing.

• Skeletal muscles aid in digestion and nutrient absorption.

• Skeletal muscles regulate blood pressure and heart rate.

• Skeletal muscles play a crucial role in movement, support, posture and maintenance.

Describe how muscles work in pairs to create movement.

• Muscles work in pairs by contracting and relaxing, with one muscle contracting to create movement and the other muscle relaxing to allow the movement to occur.

• Muscles work by expanding and contracting simultaneously

• Muscles work in groups of three instead of pairs

• Muscles work independently without any coordination

The stretchy muscles all over your skeleton, attached to the bones by________, .

• ligament

• connective tissue

• tendons