Science Systems Test Word Scramble
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Question | Answer |
Which vessels carry blood to the heart? | Veins |
Which vessels allow exchanges between blood and body cells? | Capillaries |
Which vessels carry blood away from the heart? | Arteries |
_______ is caused by the rhythmic change in blood pressure? | Pulse |
What are the narrowest blood vessels? | Capillaries |
What is the major vein that returns blood to the heart from the body? | Vena Cava |
What is the largest artery? | Aorta |
Where does the blood go when it leaves the lungs? | Back to the heart (left atrium) |
Which chambers of the heart pump? | Ventricles |
Which side of the heart is oxygen rich? | Left |
Having a fatty build up in the blood vessels is called ________? | Atherosclerosis |
Abnormally high blood pressure is called ____________? | Hypertension |
Brain damage caused by damage to blood vessels is a ___________? | Stroke |
Death of heart muscles is a ____________? | Heart attack |
What is the definition of pulse? | Expansion and contraction of the arterial walls |
What is the definition of blood pressure? | The force that blood exerts on the walls of the arteries |
What gas is taken from the blood when it is pumped to the lungs? | Carbon dioxide |
Which blood type is a universal donor? | Type O |
What three things does the circulatory system do? | Protect the body from diseases and germs, protect the body from bacteria and viruses, and control body temperature |
Movement of blood between lungs and the heart is _________? | Pulmonary circulation |
What do valves do? | Help the blood go in the right direction |
What are cylinders a good shape to use in the circulatory system? | It lets more air go at a time |
What does the respiratory system do? | Delivers oxygen to all cells and removes carbon dioxide and waste |
What is needed to release energy in the body? | Oxygen |
Where does air first enter the respiratory system? | Nostrils |
What is the common name for the trachea? | Windpipe |
What is the scientific name for the voice box? | Larynx |
What surrounds each alveolus? | Capillaries |
Air is mostly composed of _________? | Nitrogen |
What are the balloon-like structures in the lungs called? | Alveoli |
What is the definition of lymphatic system? | A group of organs and tissues that collects excess fluid and returns it to the blood |
What does the lymphatic system help fight? | Pathogens |
What is the main gland of the lymphatic system? | Thymus |
What is the largest lymphatic organ? | Spleen |
Where are blood cells made? | Bone marrow |
What do lymph nodes do? | Remove pathogens from lymph |
A type of white blood cell that fights pathogens is a __________? | Lymphocyte |
Pathogens are destroyed by a kind of lymphocyte called a ___________? | Killer T-cell |
Alveolus? | Any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged |
Bronchi? | One of the two tubes that connect to the lungs with the trachea |
Diaphragm? | A dome-shaped muscle that is attached to the lower ribs and that functions as the main muscle in resparation |
Epiglottis? | A flap of cartilage at the roof of the tongue which is depressed during swallowing to cover the opening of the windpipe |
Larynx? | The area of the throat that contains the vocal cords and produces vocal sounds |
Lung? | A respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood |
Nose? | The main passageway into and out of the respiratory system |
Trachea? | The tube that connects the larynx to the lungs |
Vocal cord? | A pair of elastic pair or elastic bands that stretch across the larynx |
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