Three kinds, three jobs
Before you read
Test yourself first: 5 questions
Question 1 of 5
Which nutrient is the body's primary building block for muscle and tissue repair?
Answer: B. Proteins provide amino acids used to build and repair muscle and tissue.
Question 2 of 5
Which of the following is one of the four main types of body tissue?
Answer: B. The four primary tissue types are epithelial, connective, muscle, and nervous.
Question 3 of 5
Which nutrient is most important for building and repairing muscle after exercise?
Answer: B. Protein provides amino acids used to build and repair muscle tissue.
Question 4 of 5
Which best describes an organ?
Answer: B. An organ (e.g., the heart) is made of several tissue types working together for a function.
Question 5 of 5
Which muscle type is striated and under voluntary control?
Answer: A. Skeletal muscle is striated and voluntary. Cardiac muscle is striated but involuntary; smooth muscle is neither striated nor voluntary.
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