(1) What is the basic structural and functional unit of all living organisms?
(2) Which characteristic of living organisms involves responding to external stimuli in the environment?
(3) What is the process by which green plants convert light energy into chemical energy in the form of glucose?
(4) What digestive enzyme breaks down carbohydrates into simpler sugars like maltose?
(5) In the respiratory system, what is the main site of gas exchange with the bloodstream?
(6) What is the primary function of the skeletal system in the human body?
(7) What is the process by which metabolic wastes and excess substances are eliminated from the body?
(8) Which term refers to the body's ability to maintain a stable internal environment despite external changes?
(9) Which enzyme is responsible for breaking down proteins in the stomach during the digestive process?
(10) What is the primary function of the respiratory system in the human body?
(11) The human skeletal system is primarily composed of which substance?
(12) Which organ is responsible for excreting waste products from the body, such as urea and excess salts?
(13) What is the term for the body's ability to maintain a stable internal environment despite external changes?
(14) In the process of photosynthesis, which gas is taken in from the atmosphere and used to create glucose?
(15) What is the name of the enzyme responsible for breaking down starch into maltose during digestion?
(16) What is the name of the process by which oxygen is transported from the lungs to the body's cells through the bloodstream?
(17) What is the name of the long, tube-like structure that carries urine from the kidneys to the bladder?
(18) Which part of the human brain is responsible for regulating various bodily functions such as body temperature and hunger?
(19) Which of the following is a function of the liver in the human body?
(20) Which of the following is not a function of the human skin?
