Muscles and Bones
Nervous System
Heart and Lungs
Digestive System
Pee
100

What connects muscles to bone.

What are tendons?

100

The basic unit of the nervous system.

What is a neuron?

100

The difference between arteries and veins.

What is oxygen?

100

The liquid in your stomach that helps break down food and kill bacteria.

What is stomach acid?

100

The organ that filters blood to make urine.

What are the kidneys?

200

The space in between two bones, like in your elbow or knee.

What is a joint?

200

What happens when bright light hits your eye after being in the dark for a while.

What is constriction/getting smaller?

200
The number of chambers(rooms) the heart has.

What is 4?

200

The difference between the small and large intestines.

What are size and job? The small intestine is longer and narrower, primarily responsible for digesting food and absorbing nutrients. The large intestine is shorter and wider, absorbing water and electrolytes from the digested food and forming solid waste (feces).

200

What the bladder does.

What is holding urine until it's ready to be excreted?

300

What bone marrow does.

What is making blood cells and storing fat?

300

The part of the brain the controls hearing.

What is the temporal lobe?

300

The smallest type of blood vessel.

What are capillaries?

300

The stuff the liver makes to break down fat in food.

What is bile?

300

The tube that urine goes into after it leaves the bladder.

What is the urethra?

400

What is this muscle?

What is the tricep?

400

Why reflexes are faster than normal movements.

What is the spine?

400

How heart valves work/why they exist.

What is to keep blood from flowing backward?

400

The part of the body that holds on to bile when you are not using it.

What is the gallbladder.

400

The name of the tubes that connect your kidneys to the bladder.

What are ureters?

500

The two main proteins that help muscles contract.

What are actin and myosin?

500

What the autonomic nervous system does.

What is controlling things like heart rate, blood pressure, respiration, and digestion?

500

Why your heart beats even when you don't think about it.

What is the SA node?

500

The organ that makes digestive juices and insulin.

What is the pancreas?

500

How and why some people can live without kidneys.

What is dialysis?

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