Which which of the following best explains why multiple exercises are needed to improve muscular strength and endurance throughout the body

There are no choices but it would ideal to have a combination of exercises that would affect all muscle groups in the body.  It should not only develop strength but endurance and flexibility as well. This the reason today exercises that combine strength, flexibility and endurance all at once are very people with fitness buffs.

answer; (c); /out to the side and directly under the dogs neck.

i think he will be okay, id probably take the dog to the vet just incase