Sprains and strains are common fitness injuries. which of the following
could be considered a strain?

a. a stretch of a ligament
b. a tear of tissue that connects bones
c. a pull of a joint
d. a twist to a muscle

The answer is B. A tear of tissue that connects bones (tendons). A sprain is an injury to a ligament, the tough, fibrous tissue that connects banes to other bone. Ligament injuries involve a stretching or tearing of this tissue.A strain is an injury to either a muscle or a tendon, the tissue that connects muscles to bones. Depending on the severity of the injury, a strain may be a simple overstretch of the muscle or tendon, or it can result in a partial or complete tear. 

It is less likely that the shoe will slip while someone is walking

Small intestine because that is the organ which absorbs nutrients