Question

Which of the following statements is true?

Cardiac muscles are only found in the heart.
Red blood cells are produced by bone marrow.
Calcium is an important nutrient for healthy bones.
All of the above

Answer 1

Step-by-step explanation:

All of the above!

Hope it helps ^^

Answer 2

All the above

Step-by-step explanation:

Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.

A calcium-rich diet is good for your bones, and calcium helps to build and protect them.

Red blood cells, most white blood cells, and platelets are produced in the bone marrow.