Digestive System Flashcards
The flap of tissue that blocks the trachea when swallowing
Epiglottis
Tube that connects the mouth and the stomach
Esophagis
The name of the ball of food formed in the mouth
Bolud
The mixture that leaves the stomach
Chyme
What organ’s primary function is t absorb water
Large intestine
Your body needs small amounts of inorganic nutrients called —–
Minerals
Which organ produces enzymes that break down macromolecules
In the duodenum
Pancreas
Which organ produces bile? And which stores bile?
Liver and gallbladder
What does bile do?
Emulsifies fat
Which types of vitamins can be stored?
Fat soluble
Name one substance produced by the stomach
HCI, mucus, pepsin
What are the tiny fingers-like projections in the small intestine
Villi
Aorta pulmonary vein left atrium pump what kinda of blood
Oxygen
Right ventricle pulmonary artery superior vena cava pump what kinda of blood
Deoxygenated blood
Name the 4 chambers of the heart
Right and left atria and right and left ventricles
What are the smallest blood vessels ( gas exchange area )
Capillaries
Name of the wall that divides the left and right sides of the heart
Septum
The vessels that carry blood away from the heart and to the heart
Arteries and veins
Valve found between the right atrium and right ventricle
Tricuspid
Valve found between the left ventricle and aorta
Aortic semilunar
Systolic pressure is when the heart is
Contracting
In measuring blood pressure what is the bottom number called
Diastolic
A heart attack is caused by this
Blockage of the heart arteries
A stroke is caused by this
Blockage of the arteries that lead to the brain
Name for the build up of plaque in artery walls
Atherosclerosis
Name of the dangerous things in a cigarettes
Nicotine tar carbon monoxide
These move mucus toward the throat
Cilia
This region contains the voice box
Larynx
This region is also called the wind pipe
Trachea
The trachea branches into these
Main bronchi
Tiny air sacs where gas exchange occurs
Alveoli
Smallest conducting passages
Bronchioles
How does smoking cause heart disease
High blood pressure
Explain the three parts of breathing in
Diaphragm contracts lung volume increases lung pressure decreases
Breathing out
Diaphragm relaxes lung volume decreases lung pressure increases
Starting at the left atrium which features places would a blood cell travel to get back to the left atrium
Left atrium bicuspid valve left ventricle aortic SL aorta body vena cavae right atrium tricuspid valve right ventricle pulmonary SL pulmonary arteries lungs pulmonary veins left atrium
Write the equation for cellular respiration in chemical symbols
6O2 C6H12O6 –) 6CO2 6H20 ATP
