<span>This statement is true. Reaction
time is a skill-related fitness component that refers to the ability of the
body to react to external stimuli and make quick decisions on what to do with
those stimuli. A good example of this is when your hand accidentally touches
the fire of a burning candle. Motor neurons send signals to the brain that
trigger a response where you suddenly remove your hand from the source of pain.
For exercise activities, reaction time is seen in athletes who are waiting for
the gun start. </span>
Answer:
The games go to 21 points instead of the 25 points used in indoor volleyball. The winning team has to lead by 2 points to win the set and there's no limit. So the first team to lead by 2 after a total of 21, wins the set. Beach volleyball is designed to be won by the best of 3 sets.
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Explanation:
Answer: B: Blood pressure 160/100 and proteinuria during the 30th week of pregnancy.
Explanation: pre-eclampsia is a condition of pregnancy characterized by proteinuria and hypertension presenting after 20weeks of pregnancy in a woman who previously had normal blood pressure.
Pre-eclampsia can be recognised by:
1. Blood pressure of more than 140/90
2. Proteinuria (protein in urine)
3. Presence of oedema.
It can be mild, moderate or severe, depending on the blood pressure.
Mild: 140/90 to 149/99mmHg
Moderate: 150/100 to 159/109mmHg
Severe: 160/110mmHg or higher.
The best protection from spreading any disease is probably basic hygiene. Washing your hands after defecating or urinating is a great way to stop the spread of disease. Also, disposing of your garbage and waste is another way. Aside from the obvious, vaccination is another good way. Contagious diseases are often spread very easily. Becoming immune to them will stop them from being transmitted. To stop the spread of STDs, the best protection is to use protection while having intercourse.