Muscles
Smooth muscle is different from skeletal muscle because smooth muscle:
Is found in the walls of arteries
Can be voluntarily contracted
Has many nuclei in a cell
Has intercalated discs between cells
Is found in the walls of arteries
Smooth muscle occurs in the walls of tubes, whereas skeletal muscle does not.
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Which of the following is the smallest unit in a muscle?A. Muscle fibre
B. Myosin
C. Fasciculus
D. Myofibril
What structures attach a muscle to a bone?
A. A tendon
B. A fasciculus
C. A sarcomere
D. An internal intercostal
Which muscle is located on the posterior part of the forearm?
A. Flexor digitorum superficialis
B. Flexor digitorum profundus
C. Extensor digitorum
D. Triceps brachii
Which of the following muscles is NOT named after its location in the body?
A. Deltoid
B. Extensor carpi ulnaris
C. Rectus abdominis
D. Biceps femoris
Which of the following muscles IS named after its location in the body?
A. Sartorius
B. Triceps brachii
C. Soleus
D. Trapezius
Which is the correct equation for anaerobic respiration in humans?
A. Glucose + lactic acid โ carbon dioxide + water
B. Glucose โ lactic acid + carbon dioxide
C. Glucose โ lactic acid + (little energy)
D. Glucoseโ lactic acid
The part of a skeletal muscle cell that is able to contract is called
A. Sarcoplasm
B. Sarcolemma
C. Sarcomere
D. Sarcoplasmic reticulum
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