<h2>Muscles in legs </h2>
There are three muscles in the human legs. The hamstrings are three muscles which are located at the back of the thigh that affect knee and hip movement. They start under the gluteus maximus behind the hip bone and then attach to the tibia bone at the knee. These are biceps femoris which is the long muscle in the body that flexes the knee.
<span>Physical fitness is something that constantly needs to be worked on to maintain or improve it. Thus, it has a continuous nature. Think of running a mile. If you train for weeks, you can achieve a faster time. Once you attain the goal mile time that you want, you still have to keep training to further maintain it. However, if you stop running, the time it takes to run a mile will increase, and your physical fitness will decrease. This shows the concept of physical fitness as continuous, because to maintain or improve it, you must continue training.</span>
Answer:
A. Hold and receive food
D Break the food
2. A mouth
3. B compaction
4. C interphase
5. A histone
6. A G0
Explanation:
The main function of the digestive system is to receive, hold and break down the food. Mouth is the place where the digestion of the food starts in the body. Compaction is the process which is not present in the digestive process. Interphase is the longest part of the cell cycle in which cell grows and make copies of its DNA before starting mitosis. Histone is the protein where the DNA coils around to form a chromatin. Cells that mature leave the cell cycle and are arrested at phase is G0 phase.
Answer:
Oxygen
Explanation:
Your cells use oxygen for energy, as a result makes carbon dioxide
