Answer:
True.
Explanation:
Stage 1 of NREM sleep is characterized by a low amplitude EEG, mixed frequency between range a and s (2 to 7Hz). EMG activity is usually higher than at other stages of sleep, but amplitude can vary widely. Stage 2 of NREM sleep is recognized by background activity and episodes of sleep spindles and K-complexes. Sleep spindles are short (12 to 14 Hz) waves that increase and decrease in amplitude to produce a spindle characteristic. Stage 3 NREM sleep is classified when slow waves or d waves (£ 2Hz) and high amplitude greater than 75mV (measured from lowest to highest wave - peak to peak) appear at 20 to 50% of the time of the day. record. Stage 4 NREM sleep is similar for EEG, EMG, and EOG from the previous stage; however, stage 4 is characterized by the presence of d waves in more than 50% of the time.
Accordingly, we can conclude that going through the NREM stages (1 to 4), the frequency of EEG waves decreases but their amplitude increases.
1. The right answer is A.
High LDL cholesterol, triglycerides, blood pressure and blood glucose levels are cardiovascular risk factors.
Apart from heredity, sex and age, it is possible to act on many cardiovascular risk factors such as:
*The tobacco
*High blood pressure
*Diabetes
* Excess cholesterol
* Obesity and overweight.
*Physical inactivity.
*The alcohol.
The risk factors do not add up, they potentiate each other, that is, they aggravate each other.
2. The right answer is Body fat percentage.
Measurement of body composition now plays a major role in any fitness assessment.
The percentage of body fat is your fat percentage relative to your body weight. For example, a 70 kg person with a 20% body fat percentage has 14 kg body fat. The ideal body fat varies by sex and also depends on age.
I don't even think so because waste has to come out
