Arteries and Veins transport blood away from the heart.
Answer:
the shaft and the bone marrow
Explanation:
A hard outer layer called cortical (compact) bone, which is strong, dense and tough. 2. A spongy inner layer called trabecular (cancellous) bone. This network of trabeculae is lighter and less dense than compact bone.
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A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
A. Veins
B. <span>Arteries
C. </span><span>Capillaries</span>
D. because if they're not careful they become extinct by predators, then they have to be careful to survive by staying alert.
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