Topic: Body Transport System Subtopic: What is blood?
How much is life of red blood cell?
Answer: Due to the absence of nucleus, red blood cells have a short life of about 100 days.
- What is affect of wind on transpiration?
- What are intercoastal muscles?
- How many types of pollination are there?
- How are these parts arranged?
- What makes heart sound like lub?
- Why should tissue paper or handkerchief used?