The lymphatic system returns fluid that was lost back into circulation
Answer:
To help them know how they behave,move or eat
Answer:
bacteria evolve because they reproduce very fast
Answer:
A. delivery of oxygen to tissue cells
Explanation:
Blood is a liquid tissue formed by different types of cells suspended in plasma. It circulates throughout our body, through veins and arteries. Veins carry blood from the organs and tissues to the heart, while arteries carry blood from the heart to the organs and tissues.
One of the basic functions of the blood is the transport of substances, of which the transport of oxygen to the tissues, the transport of oxygen and nutrients to the cells, the removal of tissues from cellular activities (such as carbon dioxide produced in the cell). cellular respiration and the conduction of hormones by the body.
Answer:
a) produced the oxygen in the atmosphere
Explanation:
- Prokaryotes are likely to first form of life on earth and they existed billions of years ago before animals and plants.
- As these prokaryotes can do photosynthesis so there most important function is produce oxygen in atmosphere for the evolution of aerobic life.
- At that time the conditions were harsh on earth so these prokaryotes are used to survive under earth like in oceans. They first produce oxygen in oceans.
- In eukaryotes photosynthesis emerge by endosymbiosis with photosynthetic prokaryotes.
