Muscles

• What is the primary function of muscle cells?

  Contract and relax to move bones
• How do muscle cells work together?

  They work together in tissue
• What is the role of smooth muscle cells in the digestive system?

  They contract to squeeze food through the gut
• What adaptations do muscle cells have for contraction?

  They contain special proteins and mitochondria
• What is the function of mitochondria in muscle cells?

  Transfer energy for muscle contraction
• What is glycogen used for in muscle cells?

  Used in cellular respiration for energy
• What unique features do muscle cells have?

  Long, thin shapes and many mitochondria
• What structural adaptation do muscle cells have for contraction?

  Elongated shape
• What organelles are abundant in muscle cells for energy?

  Many mitochondria