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7th grade SC

Human Body Systems Review

what is a group of cells that have a common function? tissue
what is tissue? a group of cells that have a common function
what is a group of tissue that work together to perform a task called? a organ
what is a organ? a group of tissue that work together to perform a task
what is the basic unit of life? a cell
what is a cell? the basic unit of life
what ia an organ system? a group of organs grouped together
what is the muscular system? it has muscles that work with the bones to move parts of the body
what is the nervous system? it detects changes in the environment and signals these changes to the body, which then carries out a response
what is the skeletal system? it supports, protects, and works with muscles to move parts of the body
what is the immune system? it defends the body against infections
what is the excretory system? it removes liquid and gas wastes from the body
what is the respiratory system? it controls breathing. exchanges gases in lungs and tissues
what is the digestive system? it takes in food, breaks down food, absorbs nutrients, eliminates solid waste.
what is the circulatory system? it transports blood, nutrients, gases, and wastes.
what gas do we remove from the air when we inhale? oxygen (O)
what gases do we add to air when we exhale? carbon dioxide (CO2) and water (in the form of vapors)
the energy we need to "keep going" comes from what? the food we eat
what is the circulatory system? the circulatory system is the system that moves blood throughout the body
what organs are part of the circulatory system? it has the heart, blood, and blood vessels
what is blood? blood is a liquid mixture that includes red blood cells (which carry the oxygen to the parts of the body
what does the heart do? the role of the heart is to pump blood though the blood vessels
what is the respiratory system? the respiratory system is made up of two lungs and a series of passages that bring oxygen into the body and moves the CO2 out
Created by: Mrs. Corey
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