Pltw Human Body Systems Semester Exam Study Guide 100% Verified Answers 2024/2025

Cephalic {Ans: Head}sacral {Ans: Between hips, above butt}4 main tissue types {Ans: epithlium, connective tissue, muscle, nervous}voluntary VS. involuntary {Ans: If it is voluntary, the signal has to go to the brain and be processed, whereas if it a reflex, like touching your hand to a hot stove, then it doesn't have to take time to go to the brain, the spinal cord just tells you to take your hand off the hot stove. This is why the time differs, because it has to go to an extra place before reacting.}patella {Ans: knee cap}tarsal {Ans: ankle}