What happens when you inhale?

a. the diaphragm expands and thoracic volume decreases.

b. the diaphragm contracts and thoracic volume decreases.

c. the diaphragm expands and thoracic volume increases.

d. the diaphragm contracts and thoracic volume increases.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Why is taking care of yourself a time management techique