Answer:
the 4th one The lumen, is my guess
Answer:
Tentacles have specialised stinging cells called nematocysts. They use these to immobilise their prey so that the tentacles are then able to move the food into the mouth.
Explanation:
Water and minerals are absorbed into the blood in the colon of the large intestine.
Answer:
The scientific method involves deriving hypotheses from theories and then testing those hypotheses. If the results are consistent with the theory, then the theory is supported. If the results are not consistent, then the theory should be modified and new hypotheses will be generated.
<span>Louis Pasteur, French scientist</span>