Cells
name 3 parts of an animal cell
membrane, cytoplasm, nucleus, mitochondria
what colour is plasma
pale straw yellow
what is the main organ involved in the circulatory system
the heart
what is the function of the heart
pump blood around the body
name the three types of blood vessels
veins, arteries, capillaries
name 2 things plant cells have that animal cells do not have
vacuole, cell wall, chloroplasts
name the four components of blood (what is blood made up of)
plasma, red blood cells, white blood cells, platelets
name 3 ways to keep our hearts healthy
exercise, eat healthy, no smoking,
which side of the heart pumps blood around the whole body
the left side
name 2 differences between arteries and veins
what is a group of cells working together to carry out the same function called
tissue
what part of the red blood cell binds to oxygen and gives the cell its red colour
haemoglobin
what causes a heart attack
arteries get clogged with fat and no oxygen is able to reach the heart
name the four chambers of the heart
right atrium, left atrium, right ventricle, left ventricle
what major artery carries oxygenated blood away from the heart to the whole body
aorta
name 5 types of cells
muscle, nerve, red blood, white blood, sperm, egg, fat cells, bone cells
what are the two ways that white blood cells defend against harmful bacteria
engulf, release antibodies
name 4 things the blood transports
heat, oxygen, carbon dioxide, hormones, nutrients, waste
what part of the heart separates the left and the right side of the heart
septum
what major blood vessel carries blood from the heart to the lungs
pulmonary artery
roughly how many cells are in the human body
around 30 trillion
how many litres of blood do we have in our bodies
5 litres
name 5 systems other than the circulatory system
nervous, skeletal, lymphatic, digestive, endocrine, respiratory, reproductive, urinary
name 2 valves in the heart
tricuspid, mitral, pulmonic, aortic
how many MILES of blood vessels do humans have
60,000 miles