12 Questions
What is the primary function of a skeleton in an animal's body?
To convert muscle contraction into locomotion
What is the role of connective tissue in the skeletal system?
To anchor muscles to bone
What is the term for two muscles attached to the same section of the skeleton?
Antagonistic pair
What is one of the primary functions of a skeleton in land animals?
To support body mass
What is the role of a skeleton in an animal living in water?
To maintain body shape
What is an additional function of a hard skeleton in many animals?
To protect soft tissues
What is the main function of the ossicles in echinoderms' bodies?
To reinforce the body and provide structural support
What type of cells secrete bone matrix and build and repair bone?
Osteoblasts
What determines the strength of a support in a building or an animal's skeleton?
Its cross-sectional area
Why do large animals have different body proportions compared to small ones?
Because their weight increases with the cube of their dimensions
What plays a more important role in supporting body weight in mammals and birds?
Body posture
What helps to bear the load of body weight in large mammals?
Muscles and tendons
Learn how skeletal systems enable muscle contraction to generate movement, and how muscles work together to change an animal's shape or location. Understand the role of tendons and connective tissue in muscle attachment. Test your knowledge of muscle movement and skeletal systems!
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