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Why is it difficult for a baby to get enough oxygen to their tissues when there is a hole between the left and right ventricles?

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. If t...
RA
Answered by Rachel A. • Biology tutor
3094 Views

Explain the difference between tidal volume and total vital capacity. Under what circumstances would each occur?

Tidal volume is the normal volume of air inhaled in one breath at rest. Total vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation. This usually occurs whe...
JB
Answered by Jemma B. • Biology tutor
24915 Views

Mutations leads to the production of a non-functional protein. Explain why.

Mutations changes triplets/codons after that point and causes a frame shift Changes amino acid sequence after this as it codes for different amino acids Affects hydrogen/ionic/sulfur bonds but not peptide bo...
CH
Answered by Carmen H. • Biology tutor
15509 Views

A myelinated axon conducts impulses faster than a non-myelinated axon.

In myelinated axons, there is action potential/depolarisation only at the nodes. In myelinated axons, the nerve impulses jump from node to node, therefore there is saltatory conduction. In myelinated axons, ...
CH
Answered by Carmen H. • Biology tutor
6002 Views

Some babies are born with a hole between the right and the left ventricles. These babies are unable to get enough oxygen to their tissues. Suggest why.

This question is an example of the 'suggest' questions that are asked. 'The hole is due to the failure of the foramen ovale to close. As a result, oxygenated blood from the left ventricle mixes with deoxygen...
LH
Answered by Lamis H. • Biology tutor
11388 Views