The Basics
The main function of the circulatory system?
What is to transport substances like nutrients, oxygen, and waste throughout the body
The most abundant component of blood
What is plasma?
This type of blood vessel carried blood away from the heart
What are arteries
There are _____ chambers in the human heart
What is 4
Where Ms. Neilson goes to school
What is Stfx
Why single-celled organisms don't need a circulatory system
What is because oxygen and nutrients can diffuse directly through their membranes from their environment
This molecule in red blood cells binds to oxygen
What is Hemoglobin
These are the smallest blood vessels where gas exchange occurs
What are capillaries
This is why ventricles are more muscular than atria
What is due to the distance they have to pump the blood
Ms. Neilson's first name
What is Hannah
This is how an open circulatory system differs from a closed circulatory system in terms of blood movement.
What is open systems, blood leaves vessels and bathes organs directly; in closed systems, blood stays within vessels
This is the function of white blood cells.
What is to fight infections
The role of valves in veins is to:
What is to prevent blood from flowing backwards?
This is the flow of blood from the heart to the lungs
What is pulmonary circulation?
Ms. Neilson is working here next year
What is Australia
This is the main difference of an earthworm's circulatory system and a grasshopper's
What is an earthworm has a closed circulatory system with multiple hearts. grasshoppers have an open system where blood bathes organs directly
This is the color of oxygen-rich blood
what is red
This condition involves weakened vein walls often due to prolonged standing or lack of movement?
What are Varicose (spider) veins
The flow of blood from the heart to the rest of the body
What is systemic circulation
Ms. Neilson DOESN'T play which of these sports:
1. Softball
2. Hockey
3. Lacrosse
4. Volleyball
What is lacrosse
The role of the circulatory system in cellular respiration
What is to deliver oxygen needed to break down glucose and produce energy
This is the color we give deoxygenated blood
what is blue
This process causes arteries to widen and increase blood flow
What is vasodilation
The flow of blood from the heart to the heart muscle
What is coronary circulation
Ms. Neilson's blood type is this
What is O+