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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Name:__________________ Date:___________ Use the words in the box to fill in the blanks. veins transport circulatory arteries oxygen lungs nutrients energy carbon dioxide capillaries dark bright away heat to Period:_________ blood heart pumped intestine atmosphere All animals need to ________________ materials around to the different parts of their body. This is the job of the ________________ system. The circulatory system consists of a liquid called _______________, a pump called the ________________ and a series of vessels called _________________ and ________________. One thing that must be transported around is a gas called _____________. Oxygen enters the blood through the ______________. It is then ____________ through the heart and around the body where it is used along with food to make ______________. The body produces another gas called _______________, which is a waste product. This gas is carried back to the heart and then to the lungs where it is released back into the _______________. The vessels that transport blood _________ from the heart are called arteries. The blood in arteries is _____________ red because it is rich in oxygen. The vessels that transport blood _______________ the heart are called veins. The blood in veins is ______________ red because it is low in oxygen. ________________ are small vessels that join the arteries and veins. _______________ from food are also transported around the body by the circulatory system. They enter the blood from the small _________________. The circulatory system also helps to regulate temperature by transporting _________________ around the body. Find the circulatory system words below in the grid to the left. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Across Down 3. The place where nutrients enter the blood. 1. The heart ___________ blood. 7. The pump in the circulatory system. 2. The heart, blood, and vessels. 8. A small vessel that connects veins and arteries. 4. Blood in arteries is ____________ red because it is rich in oxygen. 10. The circulatory system ___________ nutrients, gases, liquids, and heat around the body. 5. The largest artery in the body. 11. The circulatory system transports this, which helps regulate temperature. 6. A waste gas that is transported in veins from the body to the lungs via the heart. 12. The liquid in the circulatory system. 9. A vessel that moves blood away from the heart. 13. The place where oxygen enters the blood and carbon dioxide leaves the blood. 14. A vessel that moves blood to the heart. 15. A gas that is transported in arteries from the lungs to the rest of the body via the heart. Name:________________ Date:____________ Use the words in the box to fill in the blanks. air oxygen inhale lungs trachea respiratory carbon dioxide yawn bronchi hiccup diaphragm water vapor mouth sneeze blood Period:______ exhale cough pharynx nose All animals need ________________ to make energy from food. We get this oxygen from the _____________ that we breathe. In order to get the oxygen into the blood where it can be transported to the rest of the body, the air travels through a system of organs called the _______________ system. When you ________________, air enters the body through the _______________ or the ____________. From there it passes through the ______________, which forces air into the _______________ and food into the esophagus. The air travels down the trachea into two branching tubes called ________________ and then on into the ________________. In the lungs oxygen from the air enters the _______________. At the same time, the waste gas ____________________ leaves the blood and then leaves the body when you ___________________. Some __________________ also leaves the body when you exhale, which is why mirrors get foggy when you breathe on them. The ______________ is the muscle that controls the lungs. It is important to keep the respiratory system clear so oxygen can keep flowing into your body. If something gets in your nose and irritates it, you ___________________. If something gets in your trachea or bronchi and irritates it, you _________________. If something irritates your diaphragm, you _________________. Finally, if the brain thinks you are not getting enough oxygen, then it forces you to _________________. Find the circulatory system words below in the grid to the left. 1 2 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Across Down 2. One of two places where air enters your body. 1. This prevents food from going down your lungs. 4. When we exhale we breathe this plus carbon dioxide. 3. All animals need this gas to make energy from food. 7. You do this when something irritates your nose. 5. Scientific name for the windpipe. 8. You do this when you don't get enough oxygen to your blood. 6. Inhale and exhale. 11. A gas that you breathe out. It is a waste gas. 14. The place where oxygen enters the blood. 16. You do this when something irritates your diaphragm. 17. Breathe out. 19. Large muscle that controls the lungs. 9. Common name for the trachea. 10. Fish have these instead of lungs. 11. You do this when something irritates your trachea or bronchi. 12. Two tubes that connect the trachea to the lungs. 13. Breathe in. 15. One of two places where air enters your body. 18. What we breathe.