Has been increasing since we started the population
Answer:
fossils depict how our bones have changed from past year to today.
Explanation:
for example, wisdom teeth were use to eat raw meat and crush bones as shown in fossils like Lucy. Another example would be extinct animals preserved, they were not able to survive and adapt to the earths changing conditions.
Answer:
oxygen gas
red blood cells
platelets
Explanation:
» <u>Concepts</u>
Your blood is composed of four main things: <u>red blood cells</u> (that transport <u>oxygen</u>), <u>white blood cells</u>, <u>platelets</u>, and <u>plasma</u>. Red blood cells transports oxygen and takes out CO2, white blood cells fight bacteria and viruses, and platelets clot together to stop bleeding.
<u>Bile</u> is a fluid that is produced by the liver and stored in the gallbladder, so it's not a main component of blood.
