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Home Q & A Board Science-Related Homework Help Health, Nutrition, and Food Sciences
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albulena albulena
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6 years ago
Which type of muscle makes up the wall of the heart and contracts involuntarily to pump blood?
 
  A) Connective muscle
  B) Skeletal muscle
  C) Smooth muscle
  D) Cardiac muscle


The point at which a muscle attaches to a stable part of the skeleton is known as its
 
  A) insertion.
  B) origin.
  C) root.
  D) agonist.


The shortening or tensing of a muscle is a muscle
 
  A) extension.
  B) reduction.
  C) contraction.
  D) compression.


The muscular and skeletal systems work together to
 
  A) execute movement and support and protect vital organs.
  B) anchor the body and control movement.
  C) allow movement and produce red blood cells.
  D) create a center of gravity and coordinate movement.


True or False? The major functions of the integumentary system are to form a barrier between the body and the environment, to protect from dehydration and infection, to collect sensory information, and to help regulate body temperature.
 
  A) True
  B) False
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ShmartboiShmartboi
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