Answer:
Explanation:
Prokaryotic cells are very simple so they have:
circular chromosome
smaller than eukaryotic cells
lack nuclei
have cell walls
I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
Similar to the other types of muscle, smooth muscle contraction is caused by the sliding of myosin and actin filaments over each other. Calcium initiates contractions in a different way in a smooth muscle than in a skeletal muscle.
Smooth muscles use less energy to generate the given amount of force, can substain contractile force without fatigue & uses calcium from the sarcoplasic reticulum & extracellular space.
Answer:
<h3>A sudden <u>and extreme change in temperature between inside and outside harms the body.</u>Other problems that can occur owing to sudden dip or rise in temperature are runny nose, asthma attacks, muscular pains, sinusitis, flu, cold, sore throat, severe pains and muscular aches.</h3>
<h3>Hope it helps youdear</h3>
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