Gas exchange
Where does gas exchange take place in the body?
lungs
What is the name of the muscle that contracts the lungs?
diaphragm
How many bones do we have as adults?
206
What is the name of the place where to bones join together?
joint
What is a muscle?
cells or tissue working together to cause movement
What the name of the system that makes you breathe?
Respiratory system.
What happens to the diaphram when we inhale?
it contracts
say three functions of the skeleton
move, support, and protect.
What is the name of the thing that holds together bones?
ligament
What kinf of muscle is the hearth made of?
Cardiac muscle
Mention three parts of the respiratory system.
answers:
nose
mouth
trachea
bronchus
alveolus
lungs
What happens to the diaphram when we exhale?
it relaxes
Mention the name of three bones
skull, jaw bone, collar bone, sternum, humerus, radius,back bone, pelvis, femur, knee cap, fibula, tibia, ankle.
What is the name of the tissue that prevents bones from rubbing to one another?
cartilage
Mention the name of two muscles
listen their answers
What is the name of the substance that we breathe in?
Oxygen
What is the name of the bones that protect the lungs?
rib cage
What do we have in the center of the bones?
bone marrow
What is the unit to measure force?
Newtons
They attach muscles to the bones
tendons
How much percent of gas do we have in the air?
21%
What happens to the muscles in our chest when we breathe?
They contract
What does bone marrow produce?
White and red blood cells.
Mention the name of one type of joint
hinge, ball and socket, and fixed joints
complete the sentence: triceps are the __________________ of biceps
antagonistic muscle