Question | Answer |
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 |