click below
click below
Normal Size Small Size show me how
5th Sci Ch 3
Study Guide
Question | Answer |
---|---|
circulatory system | transportation system of the body |
digestive system | involved in removing wastes |
Four components of blood | red blood cells, white blood cells, plasma and platelets |
red blood cell | carries oxygen to the body |
white blood cell | protects body from germs and other harmful things |
plasma | 50% of the blood |
platelet | helps form blood clots |
Three types of blood vessels | artery, capillary, vein |
artery | carries blood away from heart |
capillary | smallest kind of blood vessel |
vein | takes blood back to the heart |
Four parts of the heart | left atrium, right atrium, left ventricle, right ventricle |
circulatory system does what | transports blood to the whole body |
respiratory system does what | carries gases between the outside air and your blood |
The digestive system does what? | breaks down food so useful to the body |
urinary system does what? | helps eliminate wastes |
What is the first step of digestion? | chewing |
what is the esophagus? | tube that carries food to the stomach |
How are oxygen and carbon dioxide exchanged in the lungs? | inhaled oxygen moves from the lungs to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the lungs. |