What is circulatory system explain?
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
What are the 4 circulatory systems?
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
What are 3 examples of the circulatory system?
Your circulatory system, also known as your cardiovascular system, is made up of your heart and blood vessels….
- Arteries of head and neck. Arteries of brain.
- Arteries of thorax. Pulmonary arteries.
- Arteries of upper limb. Arteries of right upper limb.
What is cardiovascular system simple definition?
Definition. The organ system in which the blood is pumped through the heart and circulates throughout the body through the blood vessels. Supplement. The cardiovascular system is a closed circulatory system seen in humans and other vertebrates.
What do you mean by circulatory system Class 7?
Circulatory system refers to the heart and a network of blood vessels that move blood, nutrients and oxygen throughout the body.
What are 5 fun facts about the circulatory system?
Top 25 Circulatory System Fun Facts
- Circulatory System Length is about 100,000 kms.
- The RBCs are 8 Microns Size.
- Larger Mammals = Slow Heart Rate.
- The Heart can beat around 3 to 5 mins outside the body.
- RBCs Have No Nuclei.
- Blood Comes in Varying Shades of Red.
- Total Heartbeat count is about 2.5 Billion Times.