Circulatory
Skeletal
Excretory
Nervous
Muscular
Respiratory
Integumentary
Endocrine
100
What organ pumps blood to all parts of the body?
What is the heart?
100
This bone protects the brain.
What is the skull?
100
What organ is D pointing to?
What is the Urethra?
100
The basic cell of the nervous system is the __
What is neuron?
100
These types of muscles are voluntary.
What is skeletal?
100
Breathing begins with a dome-shaped muscle located at the bottom of the lungs.
What is the Diaphragm
100
Major components are ___, hair, and nails
What is skin
100
The organs in the body that secrete hormones are called?
What are glands?
200
The blood cells that are responsible for fighting germs that enter the body.
What are white blood cells?
200
This system helps with movement by providing structure and support.
What is the Skeletal system?
200
What organ is A pointing to?
What is The Kidney?
200
The ____ receive the information, and the ___ carries the impulse away
What are dendrites and axons?
200
These types of muscles are involuntary.
What are smooth muscles?
200
The main organ of the respiratory system.
What are Lungs
200
A system of organs and tissues that protects the body from external damage and water loss.
What is the Integumentary System
200
The hormone that controls water balance/homeostasis in the body!
What is antidiuretic hormone?
300
I transport nutrients, water, and oxygen to the blood cells
What is the Circulatory system?
300
This holds bones together.
What are tendons?
300
What organ is C pointing to?
What is the Bladder?
300
The small gap between two nerve cells
What is a synapse?
300
Muscle of the heart, this is an involuntary muscle.
What is Cardiac muscle
300
A group of organs that work together to transfer oxygen from the atmosphere to the blood and transfer carbon dioxide from the blood to the atmosphere.
What is the Respiratory System
300
The protein that waterproofs and protects the skin
What is keratin
300
What gland controls Metabolism?
What is the endocrine system
400
The four blood types
What is A, B, AB, and O
400
These bones protect your heart, lungs, and liver.
What is the ribs?
400
What organ is B pointing to? 
What are the Ureters?
400
Two main divisions of the nervous system
What is the central nervous system and peripheral nervous system?
400
The muscles at the shoulder.
What is the deltoids?
400
Tiny sacs in the lungs that allow oxygen and carbon dioxide to exchange.
What are Alveoli?
400
Which layer of skin is "A" referring to? 
What is the Epidermis?
400
I create insulin?
What is the pancreas?
500
What are the three types of blood vessels?
What are the veins, arteries, and capillaries
500
This is the place where two bones meet.
What is a joint?
500
What is the waste that is eliminated by the Excretory system called?
What is urine?
500
A drug that reduces the activity of the nervous system is called a ___
What is a depressant?
500
The collective name for the four muscles covering the front of the femur.
What is the quadriceps?
500
It is also known as the windpipe, it filters the air we inhale and branches into the bronchi.
What is the Trachea
500
The pigment that absorbs light and gives the skin a "tan" look?
What is melanin?
500
The glands that sit on top of the kidneys, responsible for the production of adrenaline.
What is adrenal glands?
600
The top part of the heart is made of two ______, while the bottom part of the heart is composed of two ____
What is atria and ventricles?
600
How many bones are in the human body?
What is 206?
600
The filtering unit of the kidney
What is the nephron?
600
A psychological and physiological dependence on a drug is called ___, and when someone stops taking it, may go through physical and emotional illness, referred to as
What is addiction and withdrawal
600
What will build up in the muscle tissue during anaerobic cellular respiration?
what is lactic acid?
600
The tree like branching that occurs off of the windpipe, and leads into the lungs.
what is the bronchi?
600
When exposed to ultraviolet light, the skin will product ___ which helps with the absorption of calcium?
What is Vitamin D?
600
What two endocrine glands are also vital for reproduction?
What is the testes and ovary?