Digestive System
What is the purpose of the digestive system?
To break down food so our bodies can extract the nutrients necessary for our function
Veins carry blood __________ the heart, while arteries carry blood ___________ the heart.
Where do the respiratory and circulatory system meet to intake oxygen into the blood and remove other gases
Alveoli
What are the reactants of cellular respiration?
Glucose and oxygen
What are the four components of blood?
RBC, WBC, platelets, plasma
What is the name of the muscle movement that moves food through the esophagus?
Peristalsis
What is the purpose of the circulatory system?
Which type of digestion occurs in the stomach?
Mechanical AND Physical
What are the products of cellular respiration?
Carbon dioxide, water, ATP
What is the pH of blood?
7
__________ is the slurry of digestive juices and digested food that exits the stomach and enters the small intestine
Chyme
What is the name of the protein in red blood cells that hold oxygen?
Name 2 accessory organs
Salivary glands, pancreas, liver, gall bladder
What organisms perform a version of cellular respiration? Name 4
Plants, animals, fungi, bacteria
Describe the direction of the pulmonary artery and vein, and what type of blood they carry
PA- away from heart, deoxy
PV- towards heart, oxy
What are the hair-like things in the small intestine? What is their purpose? Need both for points
Villi, absorb nutrients
What are the names of circulation between the heart and the lungs and the heart and the body?
Pulmonary and systemic
What in the mouth participates in chemical digestion?
What are the products and reactants of anaerobic respiration?
Glucose --> Lactic acid and ATP
Describe how villi help nutrient absorption
Villi increase surface area- wrapped with capillaries so more nutrients enter bloodstream
How long is the digestive system? In feet, must be within 3 ft for points.
30ft
What does ATP stand for? What is it used for?
Adenosine triphosphate, energy
Diarhhea is caused by what?
Your body does not extra enough water from waste
Write the entire CR equation in chemical symbols with correct amounts
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
Describe the three issues with sickle cell shaped RBC
Die faster, less O2/hemoglobin weird shaped, clot