Skeletal
The skeletal system is made up of ___.
What are bones?
The muscular system is made up of ___.
What are muscles?
Purpose of the respiratory system.
Breathe
Purpose of the digestive system.
To break down food you eat into nutrients.
Purpose of the immune system.
To fight off sickness and disease.
The ___ is superior to the neck.
What is the head?
The purpose of the muscular system
Purpose of the cardiovascular system.
The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Digestion begins here.
Tiny invaders such as viruses, bacteria, and parasites are known as these.
What are pathogens?
The four parts of the axial skeleton.
What are the skull, spine, ribcage, and sternum (chest bone)?
Muscles work in ___ to allow movement. For example, the biceps and triceps.
What are pairs?
Largest organ in the respiratory system?
What are the lungs?
The nervous system is made up of these three organs.
What are the brain, spinal cord, and nerves?
True or false. Antigens are proteins that help fight invaders, and antibodies are invaders.
What is false?
Anatomical position description.
What is the standard reference point in which all movements and positions are described?
Standing erect, facing forward
Feet parallel and close together
Palms facing forward
The difference between involuntary and voluntary muscles.
Involuntary = muscles automatically contract without subconscious thought
Voluntary = muscles require subconscious thought to contract
Your trachea branches off into your ___, which branch into ____, which are connected to tiny air sacs called ____.
Choices: alveoli, bronchi, bronchioles
What are the bronchi, bronchioles, and alveoli?
Nerve cells are also called this.
When our immune system develops immunity over time, this is called ____ immunity.
What is active immunity?
Lymphocytes recognize the antigen, and quickly produce antibodies to prevent infection.
Purpose of the axial system.
What is protection and support?
Origin and insertion of muscles.
Origin is where the muscle is attached to a fixed bone. Insertion is where the muscle is attached to a moveable bone.
For example, the origin of the biceps is in the shoulder. The insertion of the biceps is in the radius (forearm).
The four chambers of the heart.
The two types of nerves.
What are motor nerves and sensory nerves?
The two types of white blood cells.
What are phagocytes and lymphocytes?
Phagocytes chew up invaders. Lymphocytes recognize invaders.