Answer:
All of them seems true tho
Contain structures that regulate and perform life functions.
Answer:
Neurulation of organogenesis is the last stage of human development. The gastrula stage forms three germ layers called ectoderm, mesoderm, and endoderm
Doctors inject medicines in veins because veins are more accessible and donot have high pressure due to which there is no risk of blood backing up with into the infused fluid.
However there are some cases when medicine is injected in artery but a lot of precautions needs to be taken while doing so.
Answer:
the net force would be 45n
Explanation:
20n+25n=45
