What is the main roles of the skeleton? (3)
Provide structure and support, anchor points for muscles and protects internal organs.
What is the rhythmical contraction of the esophagus to move the food down to the stomach?
Peristalsis
What is the main function of this system?
to transport nutrients and waste to and from body cells.
What is the respiratory system responsible for?
Providing oxygen and removing carbon dioxide
What is this organ system made up of? (hint: 3 things)
Brain, Spinal Cord and peripheral nerves
What are the 3 different types of connective tissue that make up the skeleton?
Bones, ligaments, cartilage
What is the main function of the stomach?
To hold food and churn it to continue digestion?
Which part of the blood makes up over half the bloods volume?
Plasma
What is the windpipe called?
Trachea
True or False: Nerves can transmit signals in multiple directions and at the same time.
False
Do muscles push or pull?
Pull
What signals when you have had enough to eat?
Nerve cells
What are the tiny cells that help in blood clotting?
Platelets
You breathe in and out on average how many times a day?
15
What are nerves surrounded by?
Connective tissue
What are the three different types of muscle?
Skeletal, Smooth, Cardiac muscles
What causes heart burn?
Backup of stomach fluid into the esophagus.
What type of tissue makes up the heart? (3 types)
cardiac muscle, nerve and connective tissues
What do the epithelial cells that line the trachea produce?
Mucus
Multiple Sclerosis is a disease that destroys........
myelin sheaths
Where is red and white blood cells produced?
bone marrow
Goblet cells
The muscles and nerves of the heart are covered with a layer of what?
Epithelial Cells
Where does gas exchange occur and how does it happen?
Aveoli. Oxygen enters the blood and carbon dioxide leaves by diffusion (from high to low concentration)
What are the three groups of nerves that make up the peripheral nervous system?
Nerves that control voluntary muscles, nerves that carry information from sensory organs, nerves that regulate involuntary function