click below
click below
Normal Size Small Size show me how
Body Systems
Question | Answer |
---|---|
Circulatory System | Uses blood and vessels to bring oxygen to cells and CO2 away from cells. |
Digestive System | Breaks down food particles into pieces that can be used by the body. |
Nervous system | Allows perception, emotion, thought, and rapid response to the environment. |
Respiratory System | Takes in oxygen from the environment into the lungs and converts it into a form that can be used by cells. |
Immune System | Protects the body against harmful toxins and microorganisms. |
What are tissues? | A group of similar cells that work together to perform a specific function. |
What are organs? | Group of specialized tissues that are gathered in a certain part of the body to perform a specific function together. |
Level of organization in organisms from least to most complex. | Cells > Tissue > Organ > Body System |
What are parts of the digestive system? | Small intestine, stomach, liver, and esophagus. |
What are parts of the circulatory system? | Heart, blood, and blood vessels. |
What are parts of the immune system? | Bone marrow, spleen, and lymphatic system. |
What are parts of the respiratory system? | Pharynx, trachea, bronchi, and lungs. |
What are parts of the nervous system? | Brain, spinal cord, and nerves. |
What two systems work together to bring oxygen to the body? | Circulatory and respiratory. |
What are the four types of tissue in humans? | Epithelial, connective, nerve, and muscle tissue. |
Body System | A collection of cells, tissues, and organs that work together for a common purpose. |