There are between 500 and 700 lyph nodes in the body. It depends on the individual person.
Lymph nodes are like little filters. They contain lymphatic fluids and also white blood cells that destroy any harmful germs that pass through them.
Answer:
Tumour Suppressor genes
Explanation:
Tumour Suppressor genes can stop the cell from growing and dividing but only when the damage is really bad. Mutations in tumour Suppressor genes mean that a cell can no longer understand the instruction to stop growing.
The right answer is A.
Plant species are particular in their ability to produce oxygen and carbohydrates through photosynthesis. The plant, just like the animals also needs to breathe so that these cells survive, so it is forced to take some of the oxygen and carbohydrate produced by photosynthesis to operate these cells through cellular respiration.
