False, while you need oxygen to release the energy in muscles (to move), once there is enough oxygen, adding more does not create more energy. The energy comes form the food you eat, not the oxygen used to burn it.
FALSE
Cardiorespiratory fitness is the ability of the respiratory systems to efficiently transfer oxygen and nutrients to skeletal muscles.
true.
False false
It is true that photosynthesis is the process of putting together of carbohydrates by using light energy. The light energy from the sun is what will create chemical energy to be used in photosynthesis.
False. Heterotrophs are any organism that gets its energy by digesting other living things.
true. there are 656 muscles in the human body!
No biceps, triceps, quadriceps and muscles that you can selectivly use are voluntary muscles.
true
false
You cannot control the muscles in your heart and brain, and also your lungs, because they work automatically.
4 a+ the answer is false