Answer:
Circulatory system remove waste from the cell and provide clean blood to the cell.
Explanation:
During cellular respiration, lungs inhale oxygen which stored in the alveoli. The red blood cells contains hemoglobin that carries deoxygenated blood containing carbondioxide from the cell in the veins to the heart and unload this carbondioxide gas in the alveoli of the lungs and load oxygenated blood having oxygen from the alveoli through capillaries in order to provide oxygen to the cells that is necessary for the survival of humans. Platelets are the type of cells that helps in blood clotting whereas white blood cells provides immunity against pathogens.
Answer:
It is a true example of natural selection.
Explanation:
The dark colour mice lives in the dark soil of southeastern United States in large number as compared to other colour mice because this colour helps them to hide themselves from their predators in that dark soil while on the other hand, on light beaches of Florida light colour mice lives because this light colour also helps these mice in hiding from their enemy animals which is a true example of natural selection because dark colour mice can't survive in light colour beaches dude easily seen by their enemies and reduces its population by eating them.
The answer is Vestigal. It is a type of anatomical structure that no longer serves any function.
The correct answer is D. The nucleus transcribes and releases messenger RNA signalling for the enzymes to be synthesized.
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The nucleus is the site of transcription, production of messenger RNA (mRNA). Because of that, it contains a lot of proteins that either directly are involved in transcription or are involved in regulation. mRNA is exported from the nucleus, after being post-transcriptional modified.</span>
