Answer:
what are our options, please attach them here
1. Skin
2. 16%
3. Epidermis and dermis
4. Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
Answer:
Oxygenated blood flows back to the heart through the pulmonary vein, back into your left atrium.
Hope this (maybe) helps!
Explanation: