What is the function of our circulatory system.
Deliver or pick up nutrients.
Transport nutrients.
What's another name for windpipe?
Name the muscle cell that makes up organs like intestines and the esophagus.
Smooth muscle cells
Where is blood produced in our bone?
Bone Marrow
Capillaries
The trachea branches into 2 tubes called ______, which lead to each of our lungs.
Bronchi
Cardiac muscle cells
A _______ connects one bone to another.
Ligament
What's another word for bacteria, virus, and fungi?
antigen
Blood vessels that take blood back to our hearts are called _____.
Veins
The _________ is a muscle below our lungs that contracts and relaxes to help us breathe in and out.
Diaphragm
A ______ attaches our muscles to our bones.
Tendon
A _______ is the soft and flexible tissue found at the ends of bones to provide cushion.
cartilage
Give an example of an inflammatory response.
Fever, swelling, runny nose
Blood vessels that take blood away from the heart are called ______.
Arteries
Where does gas exchange take place?
Alveoli
Our muscles _________ (shortens) and relaxes to to create movements.
The bones in red are called __________ skeletons.
Axial
Leukocytes
Name the waste product our blood picks up from our body's cells.
Carbon dioxide
Name one organelle that our muscle tends to have more of.
Mitochondria
Provides structure.
Protects our organs.
Antibodies are produced by ______________.
B-cells or lymphocytes