Anatomy and Physiology

What is the total number of bones in the human body? ______

How many muscles are in the average human body? _______

What is the largest organ in the human body?______

Answer explanation

The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature and permits the sensations of touch, heat, and cold.

-------- (hormone) creates a fight or flight response in humans

Answer explanation

Adrenaline stimulates the cells of the heart so that it beats faster, increasing the heart rate. During a fight-or-flight reaction, it is important for oxygen, glucose, hormones, and other chemicals to be able to circulate much faster throughout the body to the cells that need them.

What is the largest part of the brain?______