Over his head because the motor skills and neck muscles are fairly weak before than
Red blood cells transport oxygen, white blood cells attack foreign substances out organisms, and platelets make blood clotting possible by plasma proteins and cell fragments. Hope this helps.
And: Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins. Some molecules and ions such as glucose, sodium ions, and chloride ions are unable to pass through the phospholipid bilayer of cell membranes.
Answer:
Bipedalism freed the hands so they could be used to cart food, make and use weapons and other advantages of freed hands. Bipedalism is a much more efficient way to walk and run and this fact is quantified. Bipedalism raised the early proto-human above the horizontal so he could see predators approaching. Bipedalism is a much more efficient design to cool down overheating bodies.
your welcome :)
Answer:
d: weight
Explanation:
Weight is the only force among all other options