The Ant Manor Chicken Classroom will update new questions on time at 0:00 every day. At this time, users only need to enter the center and select the correct answers to complete the Q&A, and they can immediately get the daily chicken feed to feed the chickens, so that the chickens can grow up and lay eggs quickly. .
Answer: bone marrow
The trabeculae in the bone marrow divide the bone marrow into many honeycomb-like holes, which are the "hometown" of blood cells. There are many hematopoietic stem cells in red bone marrow, which are the "seeds" that form various blood cells.
Answer: The soles of the feet are special
Knowledge expansion: The reason why geckos can climb on walls is related to their thick toes, suction cups, small hooks on their toes, and countless tiny micron-level bristles.
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