When a horizontally positioned plant responds to gravity, then auxins in the lower sides of the stems cause cell elongation that bends the stem upright. The correct option among all the options that are given in the question is the first option. This action is mainly due to the nature of the plants to grow towards sunlight.
Answer: Option B
Pigs wallow in the mud to cool themselves down.
Explanation: Pigs' skin contains lots of fats, and fats serves as thermal insulator during cold (low temperatures); unfortunately, this feature turns becomes a disadvantage during heat (high temperatures). Hence, pigs frequently wallows in the mud (or any nearby cool water place) - to reduce their body temperature.
After holding the weight for so long, the muscle would get tired, in an effort to tell the brain to stop holding the weight because the muscle fibers cannot handle it any more. Lactic acid is a by-product during muscle contraction that leads to the pain.
Option B. A man pushes a couch across the room is the answer.
Lifestyle habits that can have a profound influence on health and on physiological age include:
1. Diet: Healthy diet inclusive of green vegetables, sea food, protein rich meat and fruits will lead to a healthy skin and body.
2.Exercise: Improves the immunity and strength of the body muscles.
3.Clothing: Clean and loose fit clothes do not affect the health of the skin. They also do not restrict the flow blood in the body.
4. Drinking water: A habit of drinking a cup of water once in an hour keeps the body hydrated and reduces the chances of getting a headache.
5. Substance abuse: Taking drugs, smoking or excessive alcohol consumption affects the brain and the various cells of the body. They can lead to the development of tumors or cancers in the body.
