Digestive System
Which 3 vessels make up the liver portal triad?
1. Bile duct
2. Hepatic artery
3. Hepatic portal vein
How many lobes does each lung have?
right=3; left=2
These two gases make up most of Earth's atmosphere, in order.
What nitrogen and oxygen?
These are the two components of blood.
What are blood plasma and formed elements?
What is the directional term for in front of?
anterior
Name the 3 anatomical portions of the gallbladder
fundus, body and neck
The substance found in the alveoli to keep them from collapsing.
What is surfactant? Bonus: What cells produce these?
This law states a decrease in volume leads to an increase in pressure.
What is Boyle's Law? Bonus: What kind of relationship is this?
These blood vessels supply blood to the lungs, also is the blood oxygenated or deoxy?
What is the pulmonary artery (deoxy away from the heart) and pulmonary veins (oxygenated to the heart). Bonus: Which artery supplies oxygenated blood to the lung tissue?
What happens to a cell submerged in a hypotonic solution?
water rushes into the cell causing it to swell until it bursts
Name the functions of the liver
secretion of bile, bilirubin, emulsification, carbohydrate metabolism, lipid metabolism, protein metabolism, processing of drugs and hormones, synthesis of bile salts, storage, phagocytosis and activation of vitamin D
This zone brings air to the site of external respiration.
What is the conducting zone?
Name 3 factors that affect gas exchange efficiency.
1. The differences in partial pressures. 2. The short distance 3. The gases are lipid soluble 4. The total surface area of membrane is large 5. Blow flow and air flow are coordinated.
What effect comes from a decrease of affinity for oxygen?
decrease of pH
What is the purpose of osteoclasts?
breakdown/absorbs bone tissue
What is the benefit of the length of the small intestine?
larger surface area for absorption
These constitute the lower respiratory tract.
What is the larynx to the alveoli?
This causes an decrease in volume, which causes the pressure inside the lungs to decrease.
What is expiration?
This will cause pulmonary blood vessels to constrict causing a higher efficiency of moving blood to an oxygenated location.
What is hypoxia?
Describe the sliding filament theory
Calcium binds to troponin and tropomysosin moves off of actin binding sites and myosin binds to actin and power stroke occurs
What enzymes are secreted by the pancreas?
pancreatic amylase, trypsin, chymotrypsin, pancreatic lipase and ribonuclease and deoxyribonuclease
Name the structures, in order, air goes through from the nasal cavity to the tertiary bronchi.
Nasal cavity, pharynx, larynx, trachea, primary bronchi, secondary bronchi, tertiary bronchi. Bonus: What are the 3 pharynx?
The two main places of gas exchange.
1. Pulmonary Tissue and Blood (external) 2. Blood and tissues (internal)
This causes oxygen to diffuse across the respiratory membrane.
What is inhalation?
What percentage of American adults believe that chocolate milk comes from brown cows?
7%