body systems study guide
how many calories should you eat a day?
2200
1. Explain the relationship between cells, tissues, organs, organ systems, and organisms
A group of cells make a tissue, a group of tissues make and organ, a group of organs make an organ system, and an organ system makes a organism.
what is the job of the circulatory system
Deliver oxygen and nutrients through all over the body with blood
4. What is the difference between chyme and food?
Food turns into chime when it enters your stomach
list the organs of the digestive tract in order
Mouth, esophagus, stomach, small intestine, large intestine, rectum, anus
4. List the body parts that play a key role in the respiratory system.
Mouth, nose, trachea, and lungs
9. Explain how the respiratory and circulatory systems are related.
Respiratory system gets oxygen so that the circulatory system can deliver it to the rest of the body
8. What happens in the small intestine? Large intestine?
Small- nutrients are absorbed. Large-water is absorbed
3. What is the purpose of the digestive system?
To get nutrients from food and pass on the waste
2. What is the job of the nervous system?
To send messages throughout and control your body
what is enzyme
a thing that speed up chemicle reactions
two types of digestions (examples)
chemicle-stomach acid mechanical-chewing with teeth
5. Where does digestion start?
in your mouth
what is the food plate?
the dietary guidelines or replacement of the food pyramid
explain what a calorie is
the measure of energy in your food
what is the job of the respiratory system
to take in oxygen (inspirations) to release carbon dioxide (expiration)
list five accessory organs of the digestive system
tongue teeth salvilary glands liver pancreas
explain gas exchange in the respiratory system
why oxygen enters your body and carbon dioxide leaves your body is gas exchange
explain how exercise can strengthen your hear
you heart is a muscle. when you exercise you heart works harder. Which makes your heart stronger.