They have increased need to carbohydrates, protein, water and iron.
Carbohydrates is the primary source for energy and active people apparently need more energy for their daily activities.
Protein helps build muscles, even though they only need a small amount more of protein than normal people, they still require protein for muscle buildings.
Water has to be needed as they may excrete more sweat by active activities in the day time. Water can also help remove waster material from body.
Iron helps the production of hemoglobin, which is in the red blood cells that help transport oxygen. As they exercise more, they need more oxygen supply for respiration, therefore there is a need for iron supply.
Answer:
organelle- part of a cell (example- mitochondrion)
cell- basic unit of structure (example- muscle cell)
tissue- group of some cells (example-muscle tissue )
organ- one or more types of tissue (example- stomach)
organ system- group of organs working together (example- digestive system )
Organism- individual living thing (example- goat )
Explanation:
Organization of living things! Hope this helps.
Answer:
Hypertonic.
Explanation:
If concentrations of dissolved solutes are greater outside the cell, the concentration of water outside is correspondingly lower. As a result, water inside the cell will flow outwards to attain equilibrium, causing the cell to shrink. As cells lose water, they lose the ability to function or divide.
There is one gas used in photosynthesis
