muscles that are responsible for essential activities
What is involuntary muscles
100
the process by which nutrient molecules pass through the wall of the digestive system into your blood
What is absorption
100
the main organs of the respiratory system
What is lungs?
100
The system that consists of the heart, blood vessels, and blood
What is the circulatory system?
200
a condition in which the body's bones become weak and break easily.
What is osteoporosis?
200
the three types of tissues
What is skeletal muscle, smooth muscle, and cardiac muscle
200
the process by which the body breaks down food into small nutrient molecules
What is digestion
200
where air moves from the trachea; the passages that direct air into the lungs
What is bronchi?
200
The hollow muscular organ that pumps blood throughout the body
What is the heart?
300
bones in movable joints that are held together by a strong connective tissue is called
What is a ligament
300
the muscle that is found only in your heart
What is a cardiac muscle
300
the fluid release when your mouth waters
What is saliva
300
a large domed shape muscle that plays an important role in breathing
What is diaphragm?
300
A group of heart cells which send signals that make the heart muscle contract
What is a pacemaker?
400
place in the body where two bones come together
What is a joint
400
muscle inside many organs including the stomach and blood vessels
What is smooth muscle
400
where most mechanical digestion occurs and where chemical digestion takes place
What is the stomach
400
folds of connective tissue that produce your voice
What is vocal cords?
400
A flap of tissue that prevents blood from flowing backward
What is a valve?
500
The five major functions of the skeleton.
What is provides shape and support, enables you to move, produces blood cells, protects your organs, and stores minerals and other materials until the body needs them
500
the procedure where one muscle contracts and the other muscle relaxes.
What are skeletal muscles working in pairs
500
proteins that speed up chemical reactions in the body
What is enzymes
500
the process where air enters into an alveolus and oxygen passes through the walls of the alveolus and then through the capillary wall into the blood, while carbon dioxide and water pass from the blood into the alveoli
What is gas exchange
500
Where materials are exchanged between the blood and the body cells