---
title: "Patient shocks surgeons with green blood, 5 unknown facts about human blood"  
description: "Blood is the life-giving fluid that delivers oxygen to the cells of the body. It is a specialized type of connective tissue that consists of red blood cells"  
author: "Abhishek  Sen"  
published: 2022-11-13  
canonical: https://yourviews.mindstick.com/story/1557/patient-shocks-surgeons-with-green-blood-5-unknown-facts-about-human-blood  
category: "health and fitness"  
tags: ["Blood", "Human blood", "blood facts", "medical facts", "unknown facts"]  
reading_time: 1 minute  

---

# Patient shocks surgeons with green blood, 5 unknown facts about human blood

![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/2dbc6e51-7dc5-4ead-8220-5ce4efba9ba1.jpeg) ![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/c51f1851-c92e-4cff-9c26-c54815696531.jpeg) While humans have red colored blood, other organisms like Crustaceans, spiders, squid, octopuses have blue ![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/ec34d9b0-a666-4c8f-b653-44b03b2537db.jpeg) The adult human body contains approximately 1.325 gallons of blood. Blood makes up about 7 to 8 percent of a person's total body weight. ![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/66dc582d-6ae0-46f1-bbea-8153fa2aa9a1.jpeg) Blood circulating in your body is composed of about 55 percent plasma, 40 percent red blood cells, 4 percent platelets, and 1 percent white blood cell ![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/18a1df45-a632-4c61-9940-38bf69ef22d9.jpeg) It is well known that white blood cells are important for a healthy immune system ![Patient shocks surgeons with green blood 5 unknown facts about human blood](https://yourviews.mindstick.com/stories/a1540e94-a30b-4efa-94cc-f5cfb05c3fd4/images/a24f6400-3d32-4988-8c76-aaefcbd98354.jpeg) You may also be surprised to know that blood contains small amounts of gold. The human body has about 0.2 milligrams of gold

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Original Source: https://yourviews.mindstick.com/story/1557/patient-shocks-surgeons-with-green-blood-5-unknown-facts-about-human-blood

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