Biological structures like DNA, proteins and cells all depend on molecules. ... Neurotransmitters like epinephrine are pretty simple molecules, but without them our nervous system couldn't work. Oxygen, containing just two oxygen atoms, is a very simple molecule, and it is certainly essential to living things.
Well, think of it this way.
When you do not eat that much, your body fat lowers little by little, but considering that this is a question, I'd say starvation. Think of it as when you fast (Not eating all night say to go to a doctors appointment) your body stores the fatty acids to make ketone! The ketone will build a bloodstream that flows to the brain and other parts of the body!
To sum it up, starvation.
B) Determining the absolute ages of the rock
Blood is made in bone marrow !
three functions of skeleton muscle...
1) help in movement
2)help in carrying something
3) support skeletons
<span>They are both in the superfamily hominoidea. This classifies species that have a tubular tympanic bone, dental formula that includes incisors, molars, and rounded cusps, broad nasal regions, no tail, broad palates, long upper limbs, hind limbs, a large brain, and a size between 4 and 200 kilograms.</span>
