Memory Anchor:

• Identify the main parts of the human circulatory system:
• - heart
• - blood vessels
• - Arteries
• - Veins
• - Capillaries
• - blood
Arteries take blood away from the heart.Veins take blood into the heart.Capillaries carry blood between cells.Blood is made up of mainly water with chemicals dissolved in it. This is called plasma.Carbon dioxide and some Oxygen are dissolved in the plasma.Blood has Red Blood Cells in it to carry far more oxygen.

Super Challenge:

Stretch:

Challenge:

Key Questions:

1. What are the main parts of the human circulatory?
   • The main parts of the human circulatory system are: - heart - blood vessels - Arteries - Veins - Capillaries - blood
2. Which direction do the arteries move the blood?
   • Arteries take blood away from the heart.
3. Which direction do the veins move the blood?
   • Veins take blood into the heart.
4. What blood vessel helps carry out exchange between the blood and cells?
   • Capillaries carry blood between Cells.
5. What is the part of the blood made of mainly water and dissolved chemicals called?
   • Blood is made up of mainly water with chemicals dissolved in it. This is called plasma.
6. What gases are dissolved in the plasma?
   • Carbon dioxide and some Oxygen are dissolved in the plasma.
7. What part of the blood carries most of the oxygen?
   • Blood has Red Blood Cells in it to carry far more oxygen.
8. What gas diffuses from the lungs into the blood?
   • Oxygen diffuses into the blood in the lungs.
9. What gas diffuses out of the blood into the lungs?
   • Carbon dioxide diffuses out of the blood in the lungs.
10. which organ does glucose enter the blood from?
    • Glucose mainly diffuses into the blood in the small intestine.
11. Which organ removes excess water from the blood?
    • Excess water is mainly filtered out of the blood in the kidneys.