Heart model and EKG
Wed, Apr 21, 2027 · Week 14 · Human Anatomy & Physiology (Human Body Systems)
Today's goal: Build a heart-flow model and record an EKG and pulse to relate structure to function.
This is a model of the work you should turn in today. Use it to check your own: match the structure and the level of detail, do not copy it. Your data and wording should be your own.
Wave labels and what each one means:
- P wave: atrial depolarization, the signal that makes the atria contract.
- QRS complex: ventricular depolarization, when the ventricles contract and pump (systole).
- T wave: ventricular repolarization, when the ventricles reset and relax (diastole).
Link to the cardiac cycle: the QRS lines up with ventricular systole (pumping), and the period after the T wave lines up with diastole (filling). My heart model shows the one-way valves keeping blood from flowing backward during each beat.
Vitals I recorded: resting pulse 72 bpm, blood pressure 118/76 mmHg. Both are inside normal resting ranges.
This model shows the level of evidence and organization needed to complete: Completes the structure-to-function lab target: an EKG trace with P, QRS, and T waves labeled and linked to cardiac cycle phases, plus a pulse and blood-pressure data table.
- State the question and method.
- Present the observations and data with units.
- Explain the result, limitations, and next investigation.
Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.
Also due today: Submit your annotated EKG and data table on Schoology.
Turn in: Annotated EKG trace + vitals data table
Go to Schoology to turn this in.
Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf.
Open Schoology PDF upload helpIf you cannot get in, see Mr. Mendoza. Do not skip the work.
Claim ceiling: Today's evidence supports a classroom claim about today's lesson. It cannot prove causation, diagnose a real patient, or justify action outside this room.
One exam-style question that uses exactly what you practiced today. Try it before you reveal the answer, then read why each choice is right or wrong.
Tap an answer to see the full explanation. Nothing is recorded or graded.
It builds this reusable test skill: Matching EKG waves to electrical events of the heartbeat.
- Name the concept or data pattern being tested.
- Cross out choices that violate that rule or the evidence.
- Justify the best remaining choice before checking the answer.