Health-related physical fitness is defined as fitness related to some aspect of health. this type of physical fitness is primarily influenced by an individual's exercise habits; thus, it is a dynamic state and may change. physical characteristics that constitute health-related physical fitness include strength and endurance of skeletal muscles, joint flexibility, body composition, and cardio-respiratory endurance. all these attributes change in response to appropriate physical conditioning programs, and all are related to health. what does the word primary mean? a. to describe the physical characteristics that affect health-related physical fitness b. to indicate which types of physical fitness but do not change any aspects of health c. to show that physical fitness is influenced by many things but mostly by exercise habits d. to explain which types of characteristics are included in health-related physical fitness

Lyme disease is caused by a bacterium transmitted to people by deer ticks. deer ticks are almost never born infected with the bacterium, but they can pick it up from feeding on an infected host in any of the tick's three successive stage of development: larva, nymph, adult. once infected, a tick remains infected through any subsequent developmental stages, but since a tick feeds on only one host in each stage, it follows that . people can be infected only by being bitten by a tick that is either in larval stage or in the nymph stage b. people cannot be infected by a tick that picked up the lyme disease bacterium in the adult stage c. it is not possible for a person to be infected by a tick that is in the nymph stage or by a tick that was infected with the bacterium while in the nymph stage d. people infected with the lyme disease bacterium cannot transmit bacterium to adult deer ticks e. only deer ticks that are adults can transmit the lyme disease bacterium to people