The Heart
This makes up the majority of blood.
Plasma
A blood vessel that carries blood away from the heart.
Artery
An entire cycle of a heartbeat.
The cardiac cycle
Most veins carry oxygenated blood. T/F?
False
The only blood vesels in which oxygen exchange occurs.
Capillaries
What is the circulatory system?
It transports nutrients and chemicals around the body by the blood.
The process by which blood seals wounds to keep it from leaking out an injured artery.
Blood clotting
Worms and amphibians actually breathe through their _______
Skin
In what order does blood flow through the heart? (6 steps)
Right atrium, right ventricle, lungs
Left atrium, left ventricle, aorta (body)
What is hemoglobin and where is it found?
Protein that carries oxygen.
In red blood cells
2 large veins that return all of the blood back to the heart.
What is the superior and inferior vena cava?
Tubes in plants that transport water up the plant
Xylem
This type of sound is determined by how tight your vocal cords are while the air passes over them.
Pitch
What are the exceptions to veins carrying deoxygenated blood and arteries carrying oxygenated blood?
The blood in the arteries going from the heart to the lungs is deoxygenated, while the blood in the veins going from the lungs to the heart is oxygenated.
Blood is an incredibly complex mixture of __________ and _______
Chemicals
Cells
Another name for voice box
Larynx
What controls the pitch of the sound produced by the vocal cords?
The tightness of the vocal cords
When you exhale air, the air passes through the trachea or pharynx first?
The trachea
What animals don't have a heart or a circulatory system, but have mobile cells instead?
Sponges
These are not true cells; rather, they are pieces of a kind of white blood cell.
Platelets
Right primary bronchus
The most important of the skeletal muscles controlling the process of breathing.
The diaphragm
The _________ _________ takes blood away from the heart and splits into two arteries that take the blood to the lungs
Pulmonary trunk