Which parts of the heart prevent backflow of blood in the circulatory system and allow the heart to work like a pump?

A.) atria

B.) valves

C.) ventricles

During muscle contraction, what happens

Identify at least four carcinogens.

How many and what type of chromosomes would be expected in a karyotype of a human male? 22 pairs of autosomal chromosomes and 2 Y chromosomes. 23 pairs of autosomal chromosomes and 2 Y chromosomes.

What does the equipotentiality hypothesis suggest would happen if the hippocampus was damaged? a. another part of the brain would compensate for the damage by taking over the memory function normally managed by the hippocampus b.

A non-random influence affecting which species survives or reproduces is called:

4. What did the mitochondrial DNA testing show? What do scientists believe happened to Anastasia?

What does lucid mean?

Haploid sperm and egg are produced via meiosis. What process is responsible for producing the 2N zygote?

Thats not the correct answer i just took the quiz i think its c

How insulin binds to cells and the mechanism involved in triggering the cells to take in glucose?