What is true about cells?
a) all living things are made up of many cells, and all cells are the same size and shape.
b) all living things are made up of many cells, but not all cells are the same size and shape
c) all cells are the same size and shape, but not all living things are made up of many cells.
d) not all cells are the same size and shape, and not all living things are made up of many cells.

The answer is b, all living things are made up of many ells, but not all cells are the same size and shape

The average resting heart rate (hrrest) for a 34 year old is 73 beats per minute2. 34 year old males average heart rates of 71 bpm while females average slightly higher at 76 bpm2. the normal resting heart rate range for all adults and children 10 and over is between 60 and 100 beats per minute3. 90% of 34 year olds resting pulses fall within the range of 54 to 92 bpm. in general, an adult's resting heart rate will be lower for those in better athletic condition.

What happens to the influenza virus every 20-40 years and why?