Answer:
A human heart is roughly the size of a large fist.
Explanation:
but the size varies according to an individual's age, health and size. The heart weighs 7 to 15 ounces.
Answer:
Regions of the digestive system can be divided into two main parts: the alimentary tract and accessory organs.
Explanation:
Answer:
The smallest functional unit of matter: Atoms
An atom has 3 subatomic parts: Electrons, neutrons, and protons.
PROTONS carry a positive charge and are located in the: center of the nucleus in the atom.
Explanation: