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Body Systems

Review for test

QuestionAnswer
What are the two ways for living things to make or use energy photosynthesis and respiration
What is the formula for photosynethesis Carbon dioxide + water + sunlight = oxygen + glucose
What is the formula for respiration oxygen +glucose = carbon dioxide + water + energy
Where does respiration take place in a cell Mitochondria
Where does photosynthesis take place in a cell Chloroplasts
How are photosynthesis and respiration related to each other They are the reverse reactions of each other with the exception that photosynthesis needs sunlight energy to occur and respiration produces energy for your cells.
How do cells get oxygen and carbon dioxide across their membrane Diffusion
Diffusion the movement of particles from an area of high concentration to an area of low concentration
Why is there always a high concentration of oxygen outside your cells compared to the inside Because the oxygen is constantly being “burned up” inside the cell in the process of respiration.
Why is there always a high concentration of carbon dioxide inside the cell compared to the outside Because the carbon dioxide is constantly being produced inside the cell as a result of the ongoing process of respiration.
What are the levels of cell organization in your body Cells, tissues, organs and organ systems
Examples of Cells muscle cells, nerve cells, epithelial cells, bone cells, blood cells
Examples of Tissues muscle tissue, nerve tissue, connective tissue, epithelial tissue
Examples of Organs stomach, heart, brain, bones, liver, lungs, intestines
Examples of Organ systems circulatory system, respiratory system, digestive system, skeletal system
What three systems that work together to get oxygen and nutrients to your cells and carbon dioxide and wastes out Digestive system, Respiratory system and Circulatory system
Where do nutrients enter bloodstream in the digestive system In the villi of the small intestine
Where does oxygen reach the blood in the respiratory system At the alveoli of the lungs
Where does blood deliver the nutrients and oxygen to the body cells in the circulatory system At the capillaries that surround the cells
Design an experiment to determine the connection between exercise and pulse rate think about it
Why do your breathing and heart rate increase as you exercise You need to deliver more O2 and nutrients to your cells to generate more energy through respiration
Name three different careers in the health industry that you can pursue in New Brunswick any 3 will do
Created by: devon science