Your heart is approximately the size of question 14 options: a) beach ball b) cantaloupe c) closed fist d) golf ball

Which of the following will abstinence most likely to improve? a.creativity b.physical strength c.flexibility d.emotional health

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?