The respiratory system is the one that is responsible for breathing. During the breathing process, oxygen is taken into the lungs from the atmosphere and carbon dioxide is exhale out of the system.
The lungs facilitate excretion by excreting carbon dioxide and water vapors via diffusion and exhalation.<span />
Answer:
A landform is a feature on the Earth's surface that is part of the terrain. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills. Erosion by water and wind can wear down land and create landforms like valleys and canyons.
Answer:
Musclar dystrophy.
Explanation:
It is caused by interferences (mutation)with the protein(gene sequnce) for formation of healthy muscles. Therefore leading to abnomaliteis in muscles cells formation and functions
Two major types most common in males than females:
Becker muscular dystrophy, Duchenne muscular dystrophy.,etc.
Most symptoms includes;
Muscle stiffness, frequent falls, walking on toes, learning disabilities etc.
Answer:
The rules of base pairing explain the phenomenon that whatever the amount of adenine in the DNA of an organism, the amount of thymine is the same. Similarly, whatever the amount of guanine, the amount of cytosine is the same.
Hope it helps a lil! ^_^