Answer: To allow efficient distribution of materials within the body
Explanation:
Circulatory system in mammals especially human provides an efficient way of distribution of materials within the body.
This is made possible by blood and lymph which represent the media for circulation in humans
The host cell bursts to release the newly formed virus particles and then it dies.
Answer:
The abiotic factors in an ecosystem are all the nonliving elements (air, water, soil, temperature) while the biotic factors are all the living organisms in that ecosystem.
Explanation:
Answer:
what is this? we only understand english
