Explanation:
A fertilized egg implants into the uterus
Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
Answer:
no
Explanation:
if you cannot handle that person anymore, why keep it? why keep something so toxic.
When your baby grunts, it usually means they're learning how to have a bowel movement. They haven't yet figured out how to relax the pelvic floor while also using abdominal pressure to move stool and gas through their system.
Answer:
If the DNA sequence is altered, this can alter the amino acid sequence within a protein. the process of protein synthesis first creates an mRNA copy of a DNA sequence during the process of transcription. This mRNA is translated into a sequence of amino acids by the ribosome.
Explanation:
