From a70c03c2d2557fdde7e32459ed3ddffa60aa05cf Mon Sep 17 00:00:00 2001 From: Daniel Chen Date: Thu, 5 Dec 2019 19:30:52 +0000 Subject: [PATCH] typos in bio --- Grade 10/Science/SNC2DZ/Unit 2: Biology.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 2: Biology.md b/Grade 10/Science/SNC2DZ/Unit 2: Biology.md index 64f772a..da87761 100644 --- a/Grade 10/Science/SNC2DZ/Unit 2: Biology.md +++ b/Grade 10/Science/SNC2DZ/Unit 2: Biology.md @@ -236,12 +236,12 @@ A person contains roughly 100 trillion cells ## Cancer - Group of diseases that involve out-of-control cell division which may spread throughout the body - `Tumour`: Uncontrolled lump of cells that do not perform normal cellular functions - - `Benign`: Cells that do not metastasise or interfere with normal cell function (harmless) - - `Malignant`: Cells that interefere with normal cell activity and metastasise + - `Benign`: Describing a tumour that does not metastasise or interfere with normal cell function (harmless, non-cancerous) + - `Malignant`: Describing a tumour that does interfere with normal cell activity and metastasise - `Carcinoma`: Cancerous/cancer - `Metastasis`: Primary (original) tumour spreading throughout the body to create secondary tumours - `Carcinogens`: Anything that can cause cancer, e.g., chemicals, radiation/energy, some viruses - - `Neoplasm`: A solid or fluid-filled sac that the body forms to isolate defective from healthy cells (e.g., cysts) + - `Neoplasm`: A solid or fluid-filled sac that is formed by uncontrolled cell growth (e.g., tumours) - Random mutations can also lead to a cancer cell due to irregular DNA replication - Generally, multiple mutations in several key genes are required for a cell to become cancerous - Cancer is *not* contagious, neither can it be inherited @@ -400,7 +400,7 @@ A person contains roughly 100 trillion cells - Invertebrate circulatory systems are either **open** or **closed** (douse everything with blood then collect or use vessels like we do, respectively) - Most invertebrates have an open circulatory system -### Mycardial infarction +### Myocardial infarction - Also known as **heart attack** - When `atherosclerosis` occurs in `coronary arteries` (when fatty plaque deposits build up in arteries feeding the heart) - If clots break open a larger clot forms over it