The organ in the digestive system where protein digestion is started
What is the stomach?
100
These are the structures which make the trachea stay open, which the esophagus does not have.
What are cartilage rings?
100
The name for all vessels which lead blood to the heart
What are veins?
100
The molecule containing four iron ions that transports oxygen
What is hemoglobin?
100
This is the area in the left atrium of the heart where the heart beat originates
What is the S-A node (pacemaker)?
200
The area of an enzyme where it binds to it's substrate
What is active site?
200
The process by which gasses are exchanged between the alveoli and the blood in the capillaries
What is diffusion?
200
The part of the brain where heartbeat is controlled (full name!)
What is the medulla oblongata?
200
The blood cells responsibe for making your blood clot when a vessel is damaged
What are platelets?
200
The word describing the smooth muscle movements in the esophagus and intestines, which presses the food down.
What is peristalsis?
300
The organ which secretes a digestive juice consisting of the enzymes amylase, lipase and trypsin, and also NaHCO3 to raise pH?
What is the pancreas?
300
These are the specific muscles which contract when exhaling (breathing out) when a person is at rest. This makes the volume of the thoracic cavity smaller and the pressure increase.
What are the internal intercostal muscles?
300
The area of the heart which sends the blood to the lungs
What is the right ventricle?
300
These are two types of white blood cells which ingest (eat) enemies - non-specific. One is small and one is large.
What are phagocytes and macrophages?
300
the name of the vessel which leads de-oxygenated blood from the heart to the lungs, so the blood will pick up oxygen.
What is the pulmonary artery?
400
A secretion which is not an enzyme, but which helps to mechanically break down fat into smaller pieces.
What is bile?
400
These are the two products produced by anaerobic respiration in human muscle cells.
What are lactic acid (lactate) and (2) ATP?
400
This is what stops blood from flowing back into the ventricle from the aorta. (specific name)
What is a semi-lunar valve?
400
Specific proteins made by activated B-lymphocytes which attack a specific enemy.
What are antibodies?
400
These are the specific cells which are attacked by the HIV virus, which then causes a weakening of the whole immune system.
What are Helper-T lymphocytes (Helper-T cells)
500
The word which describes when an enzyme loses its shape due to high temperature or extreme pH.
What is denaturation?
500
The name of one of the nerves involved in connecting the respiratory system with the brain.
What is the vagus nerve?
500
The word describing heart muscle tissue being able to contract on its own, without input from the brain
What is myogenic?
500
Cells produced after an infection, which make you immune to the same infection again
What are memory cells?
500
This is the general name for the protein or glycoprotein on the cell membrane which identifies a cell as being foreign to the body, which is placed on the outside of the macrophage to activate the third stage of the immune system.