Muscular & Skeletal System
There are ________ bones in the adult human body?
206 bones
Air enters through the ______ and the _________
Air enters through the nose and the mouth
A __________ is a chemical messenger that regulates body activities.
A hormone is a chemical messenger that regulates body activities.
The _______________ is the largest organ in the body.
The skin is the largest organ in the body.
When the bladder is full, nerve signals are sent to the _____________________.
When the bladder is full with urine, nerve signals are sent to the brain.
What are the 2 types of muscles?
Involuntary and Voluntary muscles
The bronchial tubes help air enter which organ?
The lungs
A ______ is a mass of nerve cells
A neuron is a mass of nerve cells
What carries blood away from the heart?
An Artery
This organ is responsible for filtering waste out of our blood.
The Kidneys
What is the point at which two bones meet?
A Joint
This cell carries oxygen to the rest of the body cells.
Red blood cells
This gland is known for initiating a "fight or flight" response
The Adrenal gland
What is Plasma?
Plasma is the liquid part of the blood.
Where does digestion begin? And what liquid helps soften food?
Digestion begins in the mouth, and saliva helps soften food.
What is the definition of the muscular system?
Hint: The muscular system helps you ______ and maintain ______
The muscular system helps you move and maintain posture.
What's the name of the small air sacs through which oxygen enters the capillaries?
Alveoli
What are the 3 main parts of the brain that control the entire body?
The cerebrum, cerebellum, and brain stem
The Circulatory system consists of 3 main parts, which are?
Blood, blood vessels, and the heart.
This organ in known for storing bile.
The Gallbladder
What are Tendons?
Hint: Tendons are tough ______ that connect _______ to _______.
Tendons are tough tissues that connect muscles to joints.
What are the Cilia?
Cilia are tiny hairs that line the air passages.
The ___________ connects the brain with nerves throughout the body.
Hint: It is a thick band of nerve cells.
The spinal cord connects the brain with nerves throughout the body.
Name the 4 parts of the Integumentary System
Skin, nails, hair, and glands
Which organ stores undigested food?
The Large Intestine