What are the three types of muscle fibers?
1. smooth, intermediate-twitch, cardiac
2. slow-twitch, intermediate-twitch, fast-twitch
3. smooth, cardiac, skeletal
4. slow-twitch, fast-twitch, involuntary

Kara started an exercise program kara's sister works out with her on a regular basis and even talks to kara about her progress in the scenario what is another name for kara's sister? a. goal-setterb. self-monitorc. support systemd. nutritionist

What is a common risk associated with tobacco?

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp