Answer:
positive energy are exactly balanced out by the quantum states of negative energy. As such, the net effect remains zero, and so we are unable to see or feel the effects of negative energy in normal everyday conditions.
Make it sound fun.
Help them come up with ideas to do
set goals
add a prize at the end to make them strive for.
Answer:
The efficiency of the cardiovascular system
Explanation:
Cardiovascular endurance is how efficiently your heart, blood vessels, and lungs to supply oxygen rich blood to working muscles during physical activity (aerobic activity like walking, running, cycling or playing a sport) for a prolonged period of time or for more than 90 seconds.
Answer:
Each body system is dependent on one another in some way. The skeletal system is dependent on the muscle system for movement, the respiratory system is dependent on the circulatory system, etc. If one body system were to fail, the other body systems dependent on it would struggle to complete their functions as normal. Blood pressure either falls or rises, their oxygen levels drop, and the more their body systems struggle to complete their functions, the more tired they get and they eventually give up. This is what causes septic shock, which is when all organs fail and blood pressure decreases because of an infection.
Explanation: