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human body systems

what is a group of cells that have a comon fuction? tissue
what is tissue? a group of cells that have a comon 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 is a system that includes one or more organs called? a organ system
what is the muscular system? it has muscles that work with the bones to move parts of the body
what is the integumentary system? it includs skin, hair, and nails. it creates a waterproof potective barrier around the body
what is the nervous system? it detects changes in the enviorment and singnals 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 reproductive system? it includes reproductive organs for producing offspring
what is the endocrine system? it manufactures and releases hormones
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 curcutatory 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)
what should the old saying "you are what you eat" be? you are what you digest.
why is our body like a string of doughnuts? our body is a long tube that starts at the begining and ends at the end
the energy we need to "keep going" comes from what? the food we eat
what do our body combine the cemicals from our food with what and what is that called? oxygen and it is called cellular resprashen.
what makes our bodies able to combine the cemicals from our food with oxygen at a low temp. (37C) becuse of what? enzymes
what makes the growling sounds when your hungry? your stomach muscles contracting and making a "growling" sound to remind you to eat.
what is our stomach wall protected by what? mucus
how much food and water do we eat every day? 1 kg of food and 3L of water
how long does it take to fully digest your food? 12 hours to 2 days
how long is our digestive tract 10 meters long
what is the circulatory system? the circulatory system is the system that moves blood thoughout the body
what does the circulatory system have in it? it has the heart, blood, and blood vessels
what is blood? blood is a liguid 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 diffrences between veins and arteries? veins have less oxygen rich red blood cells then arteries. also arteries are much thick walled than veins
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: maxdabbs