The colored part of the eye that can get bigger or smaller to allow more or less light into the eye
Iris
What is the purpose of the immune system?
To fight off diseases when you get sick
Where does digestion start?
The mouth
What are the four types of nutrients?
Carbohydrates, proteins, fats, vitamins and minerals
Which organ forms urine?
Kidneys
Taste buds
Which immune system cells recognize any bad cells that are not yours and kill them?
T cells
The muscular tube that connects and carries food from the mouth to the stomach
Esophagus
What is metabolism?
Turning food into energy that the body uses to function
Where are the smallest bones in your body?
Ear
Blind spot
Which immune system cells are memory cells that are specific for a certain germ
B cells
Produce and secrete saliva which contains digestive enzymes
Salivary glands
The nutrient that is digested the fasted
Carbohydrates
What is the main type of nutrient in an apple?
Carbohydrates
Depth perception
Describe how vaccines work
Vaccines are dead versions of a bacteria or virus that you are injected with to stimulate your B cells in the immune system
Large tubular organ that absorbs water and salts and stores waste products
Large intestine
When does the body store fat?
If you eat more calories than you expend in a day, the body stores the excess in fat
How is blood pressure related to urine production?
Describe the process of seeing an image (use cornea, pupil, lens, retina, optic nerve, brain)
Light waves enter your eye through the cornea, which bends the light so it can enter your pupil. After going through the pupil, the lens bends light again to hit the retina, where the signal is transformed into impulses which go through the optic nerve to the brain.
What does the spleen do?
Destroys old red blood cells and stores new red blood cells to replace old one
Secretes digestive juices into the small intestine and helps to regulate sugar
Pancreas
Where do vitamins and minerals enter your bloodstream and how do they enter?
They are absorbed in your large intestine
What digestive juice does the gall bladder secrete?
Bile