- Brings oxygen into your body.
- It allows us to exhale carbon dioxide from our body.
The Cardiac Muscle (Heart)
- The heart is basically a pumping station and pumps blood around the body and is made up of 4 chambers.
- This pumping action creates what we know as our pulse.
- The blood travels around the body in vessels called.
- Arteries - Arteries have a muscular wall and take blood away from our hearts.
- Arterioles - Small areteries.
- Capillaries - This is where nutrients and gases are exchanged.
- Venuoles - Small veins.
- Veins - Veins don't have a muscular wall but have valve-like structures which prevent blood from flowing backwards and takes blood to the heart.
- The blood carries gasses and nutrients to the body and takes away waste products such as carbon dioxide.
