Topic 1 Flashcards
What does the heart do
Pumps blood around body to supplies oxygen and nutrients to cells
What does blood do
Transports oxygen
What do blood vessels do
Transports blood to organs and transports waste away from the blood
How has the red blood cell adapted to carrying blood and what shape is it
It doesn’t have a nucleus to make more space for oxygen, it is a biconcave
Contains haemoglobin
What does a white blood cell look like
Has a nucleus
What does white blood cells do
Fights infection, bacteria and disease
What do platelets do and look like
Cell fragments that forms scabs and blood clots
What does plasma look like and do
Yellow liquid that carries minerals
Vein characteristics
Has valves so blood doesn’t back flow
Thin walls as blood is at low pressure
Flexible to push blood back to heart
Artery characheteristics
Have muscular walls so they don’t burst under high pressure of blood
Capillaries characteristic
Single layer of cell walls
Thin walled
No valves
Vein and Artery to lung
Pulmonary
Artery and vein to heart
Coronary
Artery and vein to and from liver
Hepatic
Legs and lower body veins and artery’s
iliac
