Demystifying the human body glossary
Demystifying the human body glossary
21 Biology terms
This is a glossary for biology related words that we found may need a definition in order to better understand the different topics.
- acetylcholine
- episode 3, 2:33
- A neurotransmitter (chemical messenger) of the human nervous system responsible for the contraction of some muscles.
- alveolus
- episode 6, 1:57
- Small cavity that produces the gas exchanges in the lungs.
- appendicectomy
- episode 4, 2:52
- Surgical act that consists of removing the appendix.
- atonia
- episode 3, 2:10
- Lack of usual tension and tonus in the muscles.
- bronchoconstriction
- episode 6, 2:56
- Narrowing of the airways (bronchi) for a short period of time. Can be caused by allergies, physical activity, or a medical condition affecting the respiratory system, like asthma.
- bronchus
- episode 6, 1:56
- Present in the lower part of the respiratory system. It carries the air to the lungs.
- creatinine
- episode 5, 1:57
- Comes from the breakdown of muscle creatine. It is a body waste that is eliminated though the kidneys. Also used to evaluate kidney function.
- enzyme
- episode 1, 1:39
- A kind of protein present in the body responsible for the digestion of fats, carbohydrates, and proteins by breaking them down.
- histamine
- episode 3, 2:57
- Chemical found naturally in the body responsible for inflammation and the dilation of blood vessels.
- kidney stones
- episode 5, 2:34
- Result of a crystallization of substances that are meant to be diluted in the urine and eliminated.
- lymphocyte B
- episode 4, 1:52
- Major component of the immune system. These cells are responsible for the production of antibodies.
- lymphocyte T
- episode 4, 1:54
- Immune system components that attack cells that are infected by bacteria or microorganisms.
- metabolic waste
- episode 5, 1:52
- Leftover products that the body doesn't need which get eliminated from the body.
- noradrenaline
- episode 3, 2:55
- Hormone functioning as a neurotransmitter (chemical messenger) responsible for feeling alert and energized.
- paralysis
- episode 3, 2:12
- Complete loss of feeling and voluntary muscle movement.
- pneumonia
- episode 1, 3:37
- Inflammation of the lungs caused by a bacterial, viral, or fungal infection, which can cause difficulty breathing.
- proliferate
- episode 1, 4:14
- Rapid multiplication or growth of cells, in this case bacteria or virus.
- REM
- episode 2, 1:58
- Stands for rapid eye movement; the period of sleep where you dream and that your brain is most active.
- serotonin
- episode 3, 2:56
- Neurotransmitter (chemical messenger) responsible for stabilizing the mood and helping a person sleep better.
- sterile
- episode 5, 4:56
- Germ-free. Does not contain any microorganisms that can cause infections. Completely disinfected.
- urea
- episode 5, 1:55
- Product of a protein metabolism breakdown. It is produced by the liver and is eliminated through urine. Also used to evaluate kidney function.