What are the 3 main pathways for blood to travel throughout the body?

What are the 3 main pathways for blood to travel throughout the body?

There are three main types of blood vessels:

• Arteries. Arteries carry oxygen-rich blood away from the heart to all of the body’s tissues.
• Capillaries. These are small, thin blood vessels that connect the arteries and the veins.
• Veins.

What is your body’s transport system?

The circulatory system is the “transportation system” for the body, and blood serves as the transport vehicle. Just as trucks deliver food, clothes, and other goods to houses and stores, blood circulates around the body, carrying and delivering the oxygen and nutrients needed by each cell.

What is the journey of the red blood cell?

Red blood cells have the important job of carrying oxygen. These cells, which float in your blood, begin their journey in the lungs, where they pick up oxygen from the air you breathe. Then they travel to the heart, which pumps out the blood, delivering oxygen to all parts of your body.

How does blood flow around the body?

The arteries (red) carry oxygen and nutrients away from your heart, to your body’s tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body’s tissues.

What are the 3 most important body systems?

The main systems of the human body are:

• Integumentary system / Exocrine system:
• Immune system and lymphatic system:
• Muscular system:
• Nervous system:
• Renal system and Urinary system.
• Reproductive system:
• Respiratory system:
• Skeletal System: Bones maintain the structure of the body and its organs.

How does a blood cell travel through the body?

Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries (ar-tuh-reez). Red blood cells drop off oxygen to the cells through tiny tubes called capillaries (cap-ill-air-ies). Blood then returns to the heart through the veins (vayns) and the cycle begins again.

How is oxygen circulated to the body?

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.

What is in a human heart?

The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.