18 Questions
What serves as a template for bone formation in the early development of the skeleton?
Cartilage
What enables bones to withstand stress and provide support?
Osteocytes
Which channels in compact bone have new bone cells added in layers around them?
Haversian canals
What do osteocytes embedded within bone tissue help maintain?
Mineral content of bones
During strenuous activities, what quickly exhausts its supply leading to muscle contraction?
ATP
What is responsible for making the muscles contract by breaking down into ADP?
ATP
Which of the following is the primary source of energy for muscle contraction when demands are high?
Breakdown of ATP to ADP
What type of proteins make up the thin filaments in muscle fibers?
Actin
According to the sliding filament theory, what happens during muscle contraction?
Myosin filaments slide past actin filaments
What type of neurons connect the central nervous system to skeletal muscle cells?
Motor neurons
Which of the following is an example of a smooth muscle?
Bladder
What is the function of skeletal muscles in the digestive system?
To allow food to pass through the digestive tract
What is the primary function of skeletal muscles?
To provide movement and allow for voluntary body movements
Which of the following best describes the structure of cardiac muscle tissue?
Cardiac muscle is striated in structure and involuntary in function.
What is the role of smooth muscle contraction in the body?
To facilitate the contraction of the uterus during childbirth.
Which type of muscle tissue is responsible for the involuntary contraction of the stomach when we are hungry?
Smooth muscle
How can skeletal muscles be maintained to work hard and for longer periods?
By regularly exercising the muscles and bones.
Which of the following statements about the human muscular system is true?
The muscular system includes cardiac, skeletal, and smooth muscle tissues.
Test your knowledge on the different types of muscles in the human body, their functions, and characteristics. Learn about smooth muscles in the stomach, cardiac muscles in the heart, and their unique properties.
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