This is is a long, narrow tube that carries food from the pharynx to the stomach.
What is the esophagus?
This is the number of chambers the heart contains.
What is 4?
These are the 3 types of muscles.
What are smooth, skeletal and cardiac?
This is a tough, flexible connective tissue that contains the protein collagen. It's found in the ears and nose.
What is cartilage?
This is the outer layer of the skin
What is the epidermis
This is the process in which nutrients or other molecules are taken up by the blood.
What is absorption?
With circulation, your heart provides your body with these.
What are oxygen, nutrients and a way to get rid of wastes?
This is the type of muscle the heart is made of.
What is cardiac?
These connect bones of the skeleton and hold them together.
What are ligaments?
This gives the skin its color
What is melanin
These are proteins that speed up a biochemical reaction. They help with digestion.
What are enzymes?
These act like doors that control blood flow in the heart.
What are valves?
This increases the endurance of your cardiac (heart) muscle.
What is aerobic exercise?
This is the bone in the upper arm.
What is the humerus?
These are cells in your skin which produce melanin.
What are melanocytes?
This is secreted by the liver and helps with digestion.
What is bile?
These organs remove wastes from blood.
What are kidneys?
These attach muscles to bones.
What are tendons?
These are the bones in the lower arm.
What are the radius and ulna?
This is the inner layer of your skin.
What is the dermis?
This is an acid in your stomach that helps break down food.
What is hydrochloric acid?
These are tubes that carry (or return) blood to the heart.
What are veins?
These are 2 muscles in your upper arm.
What are biceps and triceps?
The bones store this nutrient. It is needed to maintain strong bones.
What is calcium?
This is what hair on your body grows out of.
What are hair follicles?