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Chapter 1

Grade 5 Life Science Cells to Body Systems

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
Created by: KAUELIGHT