A swim bladder can inflate and deflate when the swim bladder inflates it moves on the surface of the water but if it deflates it will go to the under section of the water <span />
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Answer:
Medullary cavity, epiphyses
Explanation:
During the thickening of the bone collar, the penetration of Osteoblasts into the decomposing cartilage occurs thereby replacing it with spongy bone giving rise to a primary ossification center.
Osteoclasts then brings abiut the nreak down of the spongy bone to open up the medullary cavity. The cartilage found in the epiphyses then continue to grow increasing the bone's length.
The three ways on how toxins can enter an animal’s body is:
1.
Oral Entry. This is through the mouth- the food
they eat or the liquid they drink.
2.
Derma Entry. This is through skin and the eyes.
3.
Respiratory Entry. This is through the mouth and
nose.