What science is related to the heart

The lungs are a. divided into seven lobes b. divided into nine lobes c. separated by the mediastinum d. connected by the mediastinum

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?

Joni is evaluating her relationship with a peer. which characteristic indicates that she has a healthy relationship with that peer? she knows that her peer has a tendency to lie. she has concerns about how her peer dresses. she tends to break curfew when she is with her peer. she is able to calmly discuss issues with her peer.