Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness? a. slow-twitch muscles are longer and thicker than fast-twitch muscles. b. slow-twitch muscles need less blood to contract than fast-twitch muscles. c. slow-twitch muscles need more recovery time between exercise sessions than fast-twitch muscles. d. slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles. select the best answer from the choices provided.

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.

How do psychologists their patients control feelings of anxiety?