Answer:
A) Hydrogen Atoms
Explanation: Water provides hydrogen (H) and (O) atoms for making biological molecules.
Answer:
The tubule adjusts the level of salts, water, and wastes that will leave the body in the urine. Filtered blood leaves the kidney through the renal vein and flows back to the heart.
Pee leaves the kidneys and travels through the ureters to the bladder. The bladder expands as it fills.
Vaccines introduce small amounts of dead viruses or harmful cells into the body in order to teach the body how to effectively fight said virus/cell
I’d say D. The cost of treatment becomes more affordable than with medical insurance because treatment is extremely expensive and medical insurance lowers the cost.
