Biology

Question 1

what is blood

Answer 1

Blood is a red body fluid in the circulatory system of humans body that delivers necessary substances such as nutrients and oxygen

Question 2

which chamber is most muscular in the heart

Answer 2

the left ventricle is the most muscular

Question 3

why is the left ventricle the most muscular

Answer 3

it is used to pump bllod out of the heart to the rest of the body *while right ventricle simply pump blood to the lungs

Question 4

what is meant by the term enviroment

Answer 4

it is a place where organisms live

Question 5

what is symbiosis

Answer 5

is the interaction between two different organisms living in a close and physical association
*eg.clownfish and an anemone.

Question 6

what is a producer

Answer 6

a producer is the starter of the the food chain

*eg. plants

Question 7

what is a carnivore

Answer 7

a carnivore is an organism that feed on other animals only

Question 8

name a food chain with 4 links

Answer 8

lettuce—>rabbit—->snake—->lion

Question 9

similarities between a animal cell and a plant cell

Answer 9

they both have a nucleus,cell membrane,cytoplasm and mitochondria

Question 10

explain the term breathing

Answer 10

inhalation and exhalation of air

Question 11

explain the term respiration

Answer 11

is the chemical process in which food is being oxidise to produce energy