rodriguezthalia188 rodriguezthalia188

04-04-2020
Biology

contestada

What makes heart muscles contract, thereby regulating heart rate?

Respuesta :

Аноним Аноним

04-04-2020

Answer:

Calcium makes heart muscles contract, thereby regulating heart rate.

Answer Link

emmafinn1300 emmafinn1300

04-04-2020

The answer is Calcium

Answer Link

Otras preguntas

Bones grow from their ends, where the cartilage is located T.True F.False

What does Friar Lawrence agree to do for Romeo? A. He agrees to stop the marriage between Juliet and Paris. B. He agrees to find Juliet and bring her back to Ro

If set A contains seven distinct numbers and set B contains three distinct letters, how many elements are in (A U B)?

( Brain + 100 points ) A triangle has an area of 30 cm squared. What might the base and height be? Give 3 examples.

Please help. Trigonometric ratios

Which of the following events immediately followed the Battle of San Jacinto?

Correct the error ayo is being influence by friends

how to simplify 8x-6x

How do people and computers approach problems differently

Please help i'm stuck on this and it's due soon, questions are in the images, will give brainliest! Complete the following sentences using the correct passé com