Answer: I would go with A
Explanation:
Answer:
D.
Explanation:
The respiratory system is responsible for breathing—that includes oxygen.
Leisure time activities
Explanation:
1. Sedentary activities:
Intensity level: Less than 3.0 METS
Energy spent: Less than 3.5 kcal/min
- Casual leisure walking
- Bicycling at 5mph
- Fishing
- Stretching exercise
- Slow dancing
2. Medium activities:
Intensity level: 3.0 to 6.0 METS
Energy spent: 3.5 to 7 kcal/min
- Walking at moderate speed of 3 to 4.5 mph
- Leisure roller skating
- Dancing including mild aerobic, line, ballroom folk dancing etc.
- Playing softball
- Moderate leisure activities like trampoline jumping
3. Vigorous activities:
Intensity level: More than 6.0 METS
Energy spent: More than 7 kcal/min
- Racewalking, jogging, running
- Bicycling at 10 mph
- High impact dancing like aerobic, step dancing
- Martial arts like karate, judo
- Playing football, basketball etc
Answer:
breathing is the process of inhaling oxygen n exhaling carbon dioxide
brainliest plzz
