The first class lever is the most common lever in the human body. True/False
Answer:
False
Explanation:
In first-class levers, the position of the fulcrum is between the effort and the load. In these levers such as scissors, if the effort (child) is farther from the fulcrum than the load, a heavy load can be moved. There are few first-class levers in the human body.
One of the examples of such a lever is the head resting on the vertebral column. When the head is raised, the contraction of the posterior neck muscles provides the effort and the fulcrum is formed by the joint between the atlas and the occipital bone. Third class levers are the most common types present in the human body.
Answer : True.
Explanation : The energy which we get after consumption of food is utilized for performing metabolic processes in the consumers; Which reduces the efficiency of secondary productivity.
Many organisms perform various metabolic processes like catabolic or anabolic activities in the cells using the energy which is obtained from the food that an organism consumes. The food nutrients are broken down into many smaller compounds.
This process reduces the secondary efficiency which includes; generation of biomass of consumers as organisms in a trophic system.
Traits of organisms. hope this helped.
Answer:
1 so that all parts of the plants and animals Get Enough nutrients and oxygen
2 the pigment called haemoglobin makes it red
3 waste products such as urea will cause great harm to the body is not excreted
4 the heart pumps blood the blood contains nutrients and oxygen facial transported to other organs so that the cells can operate
5 transpiration is the loss of water by plants. it helps with cooling down the plant after photosynthesis. Just the Way We sweat
6the stomata opens and closes to allow water to pass through it therefore transpiration occurs