8176485
Description
Flashcards by Mr Intifada, updated more than 1 year ago
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Created by Mr Intifada
over 7 years ago
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| Question | Answer |
| Circulatory System | UNJIUYE6UFHNJDLJDLJDLJDLJDLJDL |
| What is the circulatory system? | The system that makes sure everything gets to where it needs to go in your body.\_(*_*)_/ |
| How many types of blood vessels are there? | 3 |
| Name them. | Capillaries Arteries Veins |
| What is a capillary? | A small blood vessel found in the tissue. |
| What is an artery? | The vessels that carry blood away from the heart. |
| What are veins? | The vessels that carry blood back to the heart |
| What is a bruise? | A bruise is a small patch of blood surroundign the tissue. |
| How does a bruise occur? | Some of the tiny capillaries near your skin burst, leaking blood into the tissue. |
| What is a heart? | The organ that pumps blood around the body. |
| What is a heart made out of? | Cardiac Muscle |
| How big is the heart? | About the size of your fist. |
| Where is the heart located? | In the middle of your chest, behind the breastbone. |
| Does cardiac muscle get tired? | No |
| How does the cardiac muscle keep it's energy flowing? | By producing more and more energy with the mitochondria |
| How many phases of a heartbeat are there? | 3 |
| What is the first stage? | The two Atria Contract, pushing the blood down into the ventricles. |
| What is the second Stage? | The ventricles contract, forcing blood out of the heart to the body and lungs. |
| What is the last stage? | The heart muscle relaxes and the atria fills with blood |
| Is Blood an organ? | Yes |
| Fill in the blank The average sized adult has __ Litres of blood. | 5 |
| What are red blood cells? | Oxygenated Blood Cells made in the blood marrow that have haemoglobin |
| What are white blood cells? | The larger blood cells that are part of the immune system. |
| What is Plasma? | Clear yellowish liquid that is 90% water 10% dissolved materials such as nutrients and waste. Blood cells and platelets are suspended in Plasma. |
| What are Platelets? | Platelets are broken bits of cells Produced in the bone marrow |
| What do platelets help do? | They Help Clot Blood. |
| What can a too much of a blood clot cause? | 1. Heart Attack if it occurs in the heart 2. A stroke if it occurs in the brain |
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