Topic: Body Transport System Subtopic: What is blood?
What are platelets?
Answer: Platelets are tiny cell fragments in the bone marrow. Each platelet has a sticky membrane, but no nucleus.
- How are small molecules transported?
- What are red blood cells made up of?
- What are Cilia and why are they important?
- What is cross-pollination?
- Why is heart useful?
- What happens if excess juice is secreted in stomach?