B-Kidneys
The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.
Answer: Nerve cell
Cells of the nervous system, called nerve cells or neurons, are specialized to carry "messages" through an electrochemical process.
To protect our eyes from moisture and light. Example: from sweat. It can also reduce the amount of light that gets in your eyes and keep dirt away from them too.
The answers are the following:
- composed of DNA: Both
- blue eye trait: Recessive
- takes precedence over the other: Dominant
- codes for physical traits: Both
- brown eye trait: Dominant
- expressed only when present in both parents: Recessive
Answer:
Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Explanation:
