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Science ch 1 ..
Question | Answer |
---|---|
The basic unit of structure and function of living things | cell |
the part of a cell that directs all of the cells activities | nucleus |
which organelle directs a cells activities | nucleus |
which is found only in plants cells | chloroplast and cell wall |
tell me two things that a plant cell has but the animal cell doesnt | has cell wall and chloroplast |
tell me three things that a plant and animal cell have in common | the nucleus,cell membrane,and the vacuole |
a group of cells that work together to perform a certain function | tissue |
a group of tissues that work together to perform a certain function | organ |
the organ system that turns food into nutrients that body cells need for energy | digestive system |
which type of tissue forms bones,tendons, and ligaments | connective tissue |
most of your body mass is... | muscle |
what is the liquid part of blood called | plasma |
what is the order of who your cells form into sysyems starting with the most basic of all living things | cell,tissue,organ,organ sysytem |
the organ system made up of the heart,blood vessels, and blood that transports materials throughout the body | circulatory system |
the organ system including the lungs that exchages oxygen and carbon dioxide between the body and the enviroment | respiratory system |
the organ system including the bones that protects the body and gives it structure | skeletal system |
the organ system that includes the muscles and allows the body to move | muscular system |
the organ system including the brain, spinal cord, and nerves that senses your surrooundings and controls other organs | nerveous system |
which type of muscle forms the walls of the heart? | involuntary |
explain the path that blood takes when it flows from the lungs and throughout the body | path that the blood takes....starts at lungs, then goes through veins, to the heart, leaves the heart to to arteries. Then it travels through the capillaries then back through the veins, then to the lungs. |
two main parts of the nervous system and what they are made up of | 1. central nervous system is made up of the brain and spinal cord. 2. Peripheral nrevous system is made up of sensory organs such as you eyes and ears. |