One of the side effects of smoking is the damage of cilia in the trachea
which allows particles to entre the lungs. Smoking destroys the cilia
which are key in keeping particles from getting down into your lungs so
every time a person smokes more and more cilia are destroyed.
Answer:
The excretory and reproductive systems are closely interlinked. Both share certain common passages such as in males where urinary tract gives passage to both urine and semen. Although in females these are seperate, the urinary bladder is present posterior to the uterus and very close.
Answer:
Decomposers
Explanation:
They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers.
The cell membrane's selectively permeable surface
