Answer:
Cardiorespiratory fitness is the ability of the cardiorespiratory system to supply nutrients and oxygen to the body during sustained physical activity without fatigue. Endurance is a factor used to measure physical fitness. Cardiorespiratory fitness is the ability of the heart and lungs to function efficiently and effectively. Endurance refers to your body's physical capability to sustain an exercise for an extended period.
Explanation: hope this helps!
Answer:
Yes, for instance...
Picking up trash can be a big help, less pollution for us!
Less factories
Less smokers to prevent air pollution once again.
For the virus right now, wearing mask can help a lot.
Staying quarantined also can help make a difference.
I hope this helps.
Answer:
A. Unintended pregnancy is a problem in the US.
B. Most teenagers are influenced by what their parents might think before having sex.
D. The risk of pregnancy is a primary influence on a teen’s decision to have sex.
Answer:
dkyirieieryruturyathsgudhig
Answer:
in placenta mammals the mother provide food through placenta
