Question | Answer |
The circulatory system _________________. | pumps blood through the body. |
What at the components of the circulatory system? | Heart, Blood and Veins (NOT the kidneys!) |
Where do veins carry blood--toward the heart OR away from the heart? | Toward the heart |
Where does blood travel through one cell at a time? | Capillaries |
Which circulatory system has veins--closed OR open system? | Closed system |
Which circulatory system does the blood always stay in a blood vessel? | Closed system |
Which system gets oxygen into the blood and carbon dioxide out of the blood--circulatory, respiratory, or nervous system? | Respiratory system |
What is an example of a respiratory organ? | Skin, lungs, or gills (like fish use) |
What does the respiratory system do? | It gets oxygen into the blood and carbon dioxide out of the blood. |
Which of the following breathes through its skin?
Fish, cats, frogs, or people | Frogs |
Which organ system controls all others? | Nervous System |
Which body system supports the body and protects the organs--skeletal system, muscular system, or circulatory system? | Muscular system |
What body part helps a snake to smell? | A snake's tongue |
What are the 5 human senses? | Sight, touch, taste, hearing, and smell |
What are two reasons why vertebrates needs a closed circulatory system? | 1. Their bodies are large and more complex than invertebrates.
2. It makes sure that oxygen rich blood gets delivered to all cells, tissues, and organs. |
How can you take care of your heart? | Eat healthy and exercise! |
What is the muscular system? | It is an organ system consisting of skeletal, smooth and cardiac muscles. It supports the body and protects the organs. |
What is the skeletal system? | It is the hard structure (bones and cartilages) that provides a frame for an organism |
What is the circulatory system? | It is the organs and tissues involved in circulating blood through the body |
What is the nervous system? | It controls everything you do, including breathing, walking, thinking, and feeling. This system is made up of your brain, spinal cord, and all the nerves of your body. |
Where is the spinal cord? | On the back |