study Flashcards
what is the path of the digestive system
Mouth, esophagus, stomach, small intestine, ( liver pancreas), large intestine.
what happens when you damages your liver
removes toxins from the blood
What happens to your resting pulse when you exercise?
Resting pulse LOWERS
How is the human body organized?
Cells, tissues, organs, organ system, body
How does alcohol affect the body?
It damages your liver, coordination goes down, speech slurs, brains slows down, sleepy, bad judgment, dizzy, nausea
Heart attacks are caused by blockage located________?
Coronary arteries-feeds blood to the heart
What do capillaries do?
One cell in s size, oxygen and food exchange for carbon dioxide and waste, and arteries connect with veins.
Blood leaving the heart goes where?
Right side-Pulmonary artery to the lungs
Left side-Aorta to the body (more pressure)
Where does most mechanical breakdown of food occur?
Mouth(teeth)
Where does most chemical digestion occur?
Stomach (hydrochloric acid, enzymes)
How does mechanical breakdown affect chemical breakdown?
The more mechanical breakdown the faster the chemical digestion.
What causes the lub-dub sound?
Closing of the valves in the heart.
Lub-closing of the tricuspid and mitral valves
Dub-closing of the pulmonary and aortic valves.
Why is the heart considered to be two pumps?
Right-lungs
Left-body
What is the function of the respiratory system?
Bring oxygen to the bloodstream through the lungs and remove carbon dioxide through the lungs
What is the function of the circulatory system?
Moves oxygen and food to the muscles, organs, bone and remove carbon dioxide and waste from the body.
