At least to continuous minutes of intense exercise must be used in order to improve cardiorespiratory endurance. A) 20 to 30

B) 5 to 10

C) 10 to 15

D) 50 to 60

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas

The benefits of cardiovascular exercise include a improved hearing b reduced depression c reduced appetite d decreased stamina

While it is true that stretching a "pumped" muscle will make it appear visibly smaller, it does not decrease the muscles or inhibit muscle o a size; strength o b. elasticity, growth o c. elasticity, strength o d. size; growth