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What is the main function of the skeletal system?

• to provide structure and support to the body.

• To produce hormones for the body.
• To facilitate digestion of food.
• To regulate body temperature.

What is the main function of the muscular system?

• To protect internal organs from injury.
• To store energy for cellular processes.
• To provide structural support to the body.
• To facilitate movement.

What is the main function of the nervous system?

• To coordinate and control body responses to stimuli.
• To circulate blood throughout the body.
• To provide structural support to the body.
• To digest food and absorb nutrients.

What is the function of the circulatory system?

• To provide structural support to the body.
• To transport blood, nutrients, gases, and waste products throughout the body.

• To facilitate digestion of food.
• To regulate body temperature.

What is the main function of the respiratory system?

• To aid in digestion of food.
• To regulate body temperature.
• To produce hormones for growth.
• To facilitate gas exchange (oxygen and carbon dioxide).

What is homeostasis?

• Homeostasis refers to the growth of organisms.
• Homeostasis is the maintenance of a stable internal environment in living organisms.
• Homeostasis is the process of cell division.
• Homeostasis is the ability to adapt to external environments.

What is the basic unit of life?

• Cell
• Atom
• Organism
• Molecule