Which of the following describes the correct relationship between heart sounds and blood pressure?
systolic blood pressure is associated with the first heart sound.
systolic blood pressure is associated with the second heart sound.
diastolic blood pressure is associated with the first heart sound.
diastolic blood pressure is associated with the second heart sound.

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

24. how are vaccines used to keep people healthy?

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)