Ainkilling chemicals that occur naturally in the body are known as a. hormones. b. platelets. c. endorphins. d. triglycerides.

Minute vessels that collect blood from the capillaries and join to form veins are: venoles venules viscera venoids

In some states, medical marijuana is legal. this means that people who need to take marijuana because of a medical condition may take it only with approval from the doctor. however, officers still advise these people not to drive while under the influence.what is the main reason for this? they would become dangerous to themselves and other people.they would not able to read and follow street signs.they would not be capable of staying in only one lane.they would become dangerous to wildlife that may be present.

Larry is taking a walk in the park, the pollen in the air makes him sneeze consistently what line of defense is his immune system exhibiting