Free MCQsLearn App Download - Topic: Body Transport System Subtopic: Arteries, veins and capillaries
What are capillaries?
Answer: Arteries spread into tiny blood vessels known as capillaries. Capillaries are only one cell thick. Due to this reason, the red blood cells have to squeeze through them. For this reason, the red blood cells are biconcave and elastic.
Learn also:
- What is oxygenated blood?
- What happens if sufficient oxygen is not present?
- How are fats digested?
- Where is digestive food transported?
- What is an artificial pacemaker?
- How are gases transported?