Digestive System
After the stomach, the food goes to
the small intestine
What happens to the diaphragm when you inhale?
The diaphragm contracts (moves downward)
Name the four structures of the circulatory system.
heart, arteries, veins, and capillaries
In the excretory system, what do the lungs get rid of?
carbon dioxide
What is the role of the spinal cord in the nervous system?
The spinal cord communicates between the brain and the body.
In which structure are the villi located?
small intestine
Where in the lungs are the alveoli located?
at the ends of the bronchioles
What carries blood away from the heart?
arteries
What do the kidneys remove?
urea
What three structures make up the nervous system?
spinal cord, neurons, and brain
Which two structures in the digestive system does mechanical and chemical digestion occur?
mouth and stomach
What is the job of the respiratory system?
The job of the respiratory system is to bring Oxygen into the body and to remove carbon dioxide from the body.
What structures from the respiratory system and the circulatory system work together?
the alveoli and the capillaries
What does the skin remove from the body? Name 3.
water, salt and urea
What is the function of the nervous system?
The function of the nervous system is to carry messages between the brain and the rest of the body.
What is the job of the pancreas?
It makes enzymes and hormones that break down food in the stomach and the small intestine.
What connects the lungs to the throat?
the bronchi
What is the purpose of the circulatory system?
The circulatory system brings nutrients and carbon dioxide to the body through the arteries and it removes carbon dioxide and wastes through the body by the veins.
Name the four structures of the excretory system.
lungs, skin, liver, and kidneys
What do interneurons do?
Interneurons process information.
Name the 4 key processes of the digestive system.
ingestion, digestion, absorption, and elimination
What changes the size of the lungs?
the diaphragm
What do the lungs supply the blood with?
oxygen
What are kidneys filled with and what do they do?
Kidneys are filled with nephrons and they filter the blood.
What are the three types of nerve cells?
sensory, motor, and interneuron