1. What is the biggest part of the human brain?

 2. The innermost part of bones contains what?

 Articular cartilage

 Spongy bone

 Endosteum

 Bone marrow

 3. What are the bones around your chest that protect organs such as the heart called?

 Ribs

 Vertebrae

 Cranium

 Clavicle

 4. What is the name of the long pipe that shifts food from the back of your throat down to your stomach?

 Thorax

 Oesophagus

 Larynx

 Trachea

 5. Which is the outside layer of skin on the human body?

 Keratin

 Dermis

 Hypodermis

 Epidermis

 6. What substance are nails made of?

 Melanin

 Keratin

 Epidermis

 Hemoglobin

 7. What is the coloured part of the human eye that controls how much light passes through the pupil?

 Iris

 Cornea

 Pupil

 Sclera

 8. The muscle groups found in the front of your thighs are known as what?

 Hamstring

 Quadriceps

 Adductor

 Triceps

 9. What are the two chambers at the bottom of your heart called? 

 Atrium

 Ventricles

 Tricuspid Valve

 Mitral Valve

 10. The bones that make up your spine are called?

 Cranium

 Stapes

 Mandible

 Vertebrae