Science Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
What is the circulatory system responsible for? | delivering food and oxygen to the cells and removing wastes |
What are the 3 main parts of the circulatory syslem | pump (heart), the vessels and the blood. |
how much blood does an average adult have | 6L |
what does blood carry to the cells. What does it remove | water, oxygen and other nutrients. it gets rid of CO2 and waste materials from the cells |
what makes up 40% of our blood | red blood cells, white blood cells and platelets |
what makes up 60% of our blood | plasma |
What makes up 90% of plasma | water |
what does the plasma do | has all the blood cells suspended in it and dissolves many chemicals |
Where are RBCs made | in the bone marrow |
how long does the average RBC live for | 120 days |
what makes our blood the colour it is | RBCs |
what do RBCs contain | Haemoglobin |
What does haemoglobin do | carries Co2 and O2 around the body |
how many RBCs in one drop of blood | 5 million |
Which is bigger,White or red blood cells | White |
how many RBCs to 1 white blood cell | 600 |
what is are the white blood cells main jobs | to get rid of bad bacteria by producing chemicals to kill them or destroyng them |
Where are the White blood cells made | Bone marow |
What are platelets | broken up cells |
Do platelets have a necleus | no |
what do platelets do | patch up and fix broken tissue |
how many platelets in 1mL of blood | 400,000 |
Where do arteries carry blood | AWAY from the heart to the external organs |
what do arteries have | thick elastic walls |
what do arteries divide into | capillaries |
how wide are capillaries | one cell tick |
what are the capillaries main job | to exchange oxygen, O2 and other nutrient in the cells |
Where do the veins go | back to he heart where the blood is pumped back to the lungs to get more oxygen |
how many beats a minute happen in a chlds heart | 90-120 |
how many heart beats a minute for adults | around 70 |
what triggers each heartbeat | nerve impulses within the heart |
what is the heart made of | cardiac muscle |
Created by:
emmadixon
Popular Science sets