The answer is Nuclear envelope.
Basically, the Nuclear envelope is an outer shell that protects the cell (which includes the dna) from any harmful things.
Answer:Ais the answer
Explanation:
I passed biology last year and that’s something I remember
its a diploid cell that comes from the fusion of two haploid gametes.
aka a fertilized ovum.
tyyy ima collect this meme
Answer:
The heart valves
Explanation:
The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.