Answer:
the heart
Explanation:
the heart is a muscular organ in the center of you chest that contract about 60-80times
Answer:hi no help needed thanks tho
Explanation: ;P
The lens helps the eye to focus on images.
"The Lens. The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. It is the second part of your eye, after the cornea, that helps to focus light and images on your retina."
Answer:
OA
Explanation:
Isometric exercises strengthen the thyroid gland.