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The breathing rate increases at the start of exercise then reaches a peak and plateaus during exercise. After exercise the breathing rate will gradually fall, but this may take several minutes.
Dur...
The nucleus is where the genetic information of the cell is stored as DNA; the instructions for the cell's activity. The mitochondria provide energy for the cell through the process of respiration, and th...
Variation in the population occurs through mutations. Some organisms have advantages that allow them to survive the selective pressure (thus could be Food shortage or predators) Survivors reproduce and pa...
Features/organelles present in both animal and plant cells include: the nucleus (where the DNA/genetic information is stored - this controls the activities of the cell), the cell membrane (a thin containi...
Epithelial tissue lines the inner surface of the stomach and provides protection. Glandular tissue produces enzymes such as proteases which can digest and break down proteins, it also secretes acid which ...
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