When people become more and more trained, what changes may happen to the body?
A: The muscle starts making more mitochondria.
B: Mitochondria become smaller.
C: Certain chemicals in the muscle cells disappear.
D: Muscle cells are full of fuel.
A: The muscle starts making more mitochondria.
B: Mitochondria become smaller.
C: Certain chemicals in the muscle cells disappear.
D: Muscle cells are full of fuel.
举一反三
- How does the AICAR function in the body in sequence? I. Stimulating the muscle cells to make more mitochondria II. Tricking the muscle into thinking it was running out of fuel. III. Mitochondria pump out more energy.
- When people become more and more trained, what changes may happen to the body?
- The neucleus of smooth muscle cells becomes( )when the muscle contracts.() A: enlarged B: flattened C: more spherical D: twisted E: elongated
- Fat can change into muscle()muscle changes into fat. A: any more than B: no more than C: no less than D: much more than
- Fat cannot change into muscle ___ muscle changes into fat. (99-44) A: any more than B: no less than C: no more than D: much more than