Top answers

Can you explain the pathway of a reflex arc/pathway?

Normally, whenever we smell/touch/see/hear/taste anything, that information gets sent to our brain and is processed before the brain decides whether we need to respond to the information. However, in situati...
SD
Answered by Soha D. • Biology tutor
2729 Views

Explain the process of speciation

Geographic isolation occurs so the population is separated and the two groups cannot interbreed. Variation due to mutation arises in the separate populations leading to different alleles becoming dominant an...
MW
Answered by Maria W. • Biology tutor
2447 Views

Describe how a reflex action is coordinated.

1.There are 3 different types of neurons, a receptor and effector that are involved in initiating a reflex response. (Draw these out and label each neurone A B C)2.The receptor detects a stimulus (this is a ...
AM
Answered by Areej M. • Biology tutor
2420 Views

What is the function of the islets of Langerhans in the pancreas?

They are a group of cells responsible for the production and release of hormones that are used in the regulation of glucose in the blood
AA
Answered by Aashir A. • Biology tutor
2462 Views

The percentage of oxygen absorbed from the air in the lungs is usually approximately the same, so how can the oxygen supply to the blood be increased during vigorous activity?

The oxygen supply to the lungs can be increased during vigorous activity by inhaling more deeply and more rapidly. This will cause a larger volume of air to be taken in per breath, which exposes the capillar...
SW
Answered by Sophia W. • Biology tutor
4392 Views