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Which part of the respiratory system is the primary site of gas exchange?
Which structure connects muscles to bones in the human body?
What is the term for the pigment responsible for skin, hair, and eye color in humans?
What is the term for the loss of water and electrolytes from the body?
Which reproductive method involves the fusion of male and female gametes?
Which scientist is credited with discovering the cell using a microscope?
What is the term for a substance that speeds up chemical reactions in living organisms?
What is the term for organisms that live inside or on another organism and cause it harm?
Which type of joint allows the widest range of movement in the human body?
What is the term for the process by which plants make their own food using light energy?