Muscular System
Which type of muscle helps move the body's bones?
Skeletal Muscle
True or False? Voluntary muscles are the muscles you can control.
True
Where does the digestive system begin?
The mouth.
What is the role of the heart in the circulatory system?
Pump blood around our body.
Your spinal cord is protected by which structure?
The spine.
Cardiac Muscle makes up which part of the body?
The heart.
Give an example of a hinge joint.
Knee, Fingers, Elbow
The small flap of tissue that seals off the trachea during swallowing.
The epiglottis.
Needed substances (like oxygen) are carried to other body cells by...
Blood (Red Blood Cells)
Spinal cord injuries can result in...
Paralysis
Smooth muscle makes up which part of the body?
The organs.
This substance is found inside a bone and creates blood.
Bone Marrow.
The chemical in your saliva that helps break down food.
Enzymes
What do veins have that prevents blood from flowing backwards?
Valves
The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system is the...
Spinal Cord
Movement is due to muscles __________ on an attached bone
Pulling
What is the outermost layer of a bone?
The periosteum.
What are the finger-like structures in the small intestine that help absorb large amounts of nutrients?
Villi
Which type of blood vessels carry blood away from the heart?
Arteries.
Which structures make up the central nervous system?
The brain and spinal cord.
Muscles with striations have...
Stripes
This connective tissue holds your bones together.
Your food can spend up to this much time in your small intestine.
4 hours
During gas exchange, which substance moves FROM the alveoli INTO the blood?
Oxygen
An automatic response of the body that occurs rapidly and without going to the brain is called a...