Circulatory System
What are functions of the Circulatory System?
Protects from infection, helps carry oxygen throughout the body via blood, and provides heat.
What is the main function of the Muscular System?
It helps move the bones.
Which organs belong to the Respiratory System?
Lungs, Nose, Pharynx(throat), and the Trachea
What is the largest bone in the human body?
What is the function of the Digestive System?
Breakdown foods, eliminate waste, and absorb nutrients.
What is the name of the liquid portion of the blood?
Plasma
Where are the muscles located?
Next to the bones.
What is the organ that is also known as your windpipe?
Trachea
True or False:
Bones are actually living organisms.
True
Where does the digestion start?
Mouth
What are Capillaries?
Small Vessels where Oxygen and Nutrients leave the blood to go into the cells and Carbon Dioxide and other waste products enter the blood from the cells.
What is an example of an involuntary muscle?
Heart
When you breathe in, your lungs take in ____ and remove ____. Fill in the missing words
Oxygen (O2), Carbon Dioxide (CO2)
What are bones primarily composed of?
Calcium and Phosphorus
The chewing and grinding of food is an example of ____ ____. Fill in the blanks.
Mechanical Digestion
What is blood composed of?
Platelets, Plasma, and Red blood cells
What is one of the major organs in the Muscular System?
What is the name of the flap of skin that covers the opening to the windpipe while swallowing.
Epiglottis
How many bones are there in the human skeletal system?
300-200
Which organ pushes food down the stomach?
Esophagus
Blood enters the heart at the ____ ____.
Right Atrium
How many muscles does the average human being possess?
840
What is the name of the air sacs that are covered with capillaries where gas exchange takes place?
Alveoli
How many movable or semi movable bones are there in the body?
200
What is the series of wave-like muscle contractions that move food to different processing stations in the digestive tract?
Peristalsis