Muscles: Function and Types

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Which group of muscles is mainly responsible for breathing?

Muscles of the back

Trunk muscles (correct)

Head and neck muscles

Abdominal muscles

Which muscles hold the spinal column erect?

Trunk muscles

Muscles of the limbs

Pelvic muscles (correct)

Abdominal muscles

What is the main function of abdominal muscles?

Facial expressions

Head movements

Keeping viscera in place (correct)

Breathing

Where do the lower limb muscles have strong anchorage points?

Pelvis Signup and view all the answers

Which group of muscles is responsible for head movements?

Head and neck muscles Signup and view all the answers

What type of muscles are in the limbs and under conscious control?

Voluntary muscles Signup and view all the answers

Which system controls involuntary muscles like those in the heart and digestive tract?

Autonomic nervous system Signup and view all the answers

What happens when the brain instructs the biceps muscle to contract?

The triceps muscle contracts Signup and view all the answers

What is the unique ability of muscle tissues mentioned in the text?

Contraction Signup and view all the answers

Which muscles perform voluntary contractions and relaxations under conscious control?

Muscles in the limbs Signup and view all the answers

What kind of contractions do muscles in the heart and large blood vessels perform?

Involuntary contractions Signup and view all the answers

Which group of muscles holds the organs inside the pelvic cavity firmly in place?

Abdominal muscles Signup and view all the answers

Where is the bulk of upper limb muscles located?

At the shoulder Signup and view all the answers

Which muscles are mainly responsible for facial expressions and speech?

Head and neck muscles Signup and view all the answers

What is the main function of trunk muscles attached to two or more bones?

Responsible for breathing Signup and view all the answers

Where do lower limb muscles have strong anchorage points especially?

Pelvis Signup and view all the answers

What is responsible for the contraction and relaxation of muscles?

Tiny filaments in muscle tissue Signup and view all the answers

Which muscles perform involuntary contractions?

Muscles in the heart and digestive tract Signup and view all the answers

Why do voluntary muscles, such as those in the limbs, perform voluntary contractions?

Under conscious control of the nervous system Signup and view all the answers

What stimulates the biceps muscle in the example given in the text to contract?

Brain signals Signup and view all the answers

What type of signals control involuntary muscles?

Autonomic nervous system signals Signup and view all the answers

Which characteristic describes muscles that work in coordinated groups according to the text?

Antagonistic relationship Signup and view all the answers