Asked by
Lesly Sanchez
on Dec 13, 2024Verified
Which of the following can cause longer-than-normal heart contractions?
A) Strenuous exercise
B) Elevated body temperature
C) High concentration of potassium ions
D) High concentration of calcium ions
E) Elevated heart rate
Potassium Ions
Charged particles formed from potassium atoms, essential for various bodily functions including nerve transmission and muscle contraction.
Calcium Ions
Positively charged calcium atoms that play crucial roles in various biological processes, including muscle contraction, neurotransmitter release, and bone formation.
Heart Contractions
The process by which the heart muscle contracts or tightens, leading to the pumping of blood through the chambers of the heart and into the body.
- Identify the elements affecting heart rate.
Verified Answer
MM
Learning Objectives
- Identify the elements affecting heart rate.