Question | Answer |
What is the basic unit of structure and function of living things? | cell |
What is the part of the cell that directs all of the cell's activities? | nucleus |
Which is found only in plant cells? | cell wall and chloroplast |
What are three oraganelles found in both a plant and animal cell? | nucleus, cytoplasm, chromosomes, mitochondria, vacuoles, cell membrane |
How are bacteria useful? | make food, digest food, and enrich soil by breaking down dead plants and animals |
What is a group of cells that work together to perform a certain function? | tissue |
What is a group of tissues that work together to perform a certain function? | organ |
What is the organ system that turns food into nutrients that body cells need for energy, growth, and repair? | digestive |
Which type of tissue forms bones, tendons, and ligaments? | connective |
Most of your body mass is made of which type of tissue? | muscle |
What is the liquid part of blood called? | plasma |
Name the order of how cells form into systems, starting with the most basic of all living things. | cell, tissue, organ, organ system |
What is the organ system- made up of the heart, blood vessels, and blood- that transports materials throughtout the body? | circulatory |
What is the organ system, including the lungs, that exchanges oxygen and carbon dioxide between the body and the environment? | respiratory |
What is the organ system, inclduing the bones, that protects the body and gives it structure? | skeletal |
What is the organ system that includes the muscles and allows the body to move? | muscular |
What is the organ system- including the brain, spinal cord, and nerves- that senses your surroundings and controls other organs? | nervous |
Which type of muscle forms the walls of the heart? | involuntary |
What is the path that blood takes when it flows from the heart and throughout the body? | arteries, capillaries, veins, heart |
What are the two parts of the nervous system called? | central and peripheral |
What is the central nervous system made up of? | brain and spinal cord |
What is the peripheral nervous system made up of? | sensory organs like your eyes and ears |