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.
- What are stomata?
- What is major component of respiration?
- Where is blood taken after lungs?
- Why is blood important?
- How is heart transplant done?
- What is job of xylem?