Laboratornaja Rabota Iz Uchebnika Biologii D V Kolesova Today

Although not directly visible under the microscope, the textbook notes that organic substances (collagen) give bones flexibility , while inorganic salts (calcium and phosphorus) provide hardness . 6. Conclusion

Small, dark, spider-like cells located in lacunae (cavities) between the lamellae. Their long processes connect with other cells, allowing for the exchange of nutrients. laboratornaja rabota iz uchebnika biologii d v kolesova

Draw a diagram of what is observed under the microscope and label the main parts. 4. Results (Observations) Although not directly visible under the microscope, the

A cylindrical structure consisting of concentric layers (lamellae) of bone matrix. laboratornaja rabota iz uchebnika biologii d v kolesova