Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
Kidneys filter the extra water plus toxic materials in our blood. The help maintains homeostasis by keeping the level of toxin down.
Answer:
its
"a heart on the run keeps a hand on a gun you can't trust anyone"
False. Although enzymes work as catalyst, they are not carbohydrates, they are proteins.
The nervous system in a frog controls the activities of the organs of the body. It also would regulate the internal environment in one's body. All the organs which are also the same parts of nervous system of a vertebrate are present in a frog. The brain,spinal chord,the sympathetic and para sympathetic nerves,cranial nerves,spinal nerves,cranial nuclei and ganglia.
