Blood vessels, which lead to the skin capillaries, become narrower they constrict which allows less blood to flow through the skin and conserve the core body temperature. This is called vasoconstriction.
Answer:
y chromosome
Explanation:
only the father passes on the y chromosome and only the fathers are colorblind
A sequence of dna that codes for a specific, detectable product, such as a protein or rna is called a gene and is therefore denoted as option B in this scenario.
<h3>What is a Gene?</h3>
This is referred as the basic unit of hereditary and is usually passed from the parent to the offspring. it also contains information which helps in the coding of certain substances such as protein.
The gene which comprises of DNA which is referred to as deoxyribonucleic acid ensures that certain types of traits are passed to the offspring thereby resulting in genetic variation. This is a function of the type of cell division known as meiosis which gives rise to four unique daughter cells.
This is therefore the reason why gene was chosen as the most appropriate choice.
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Answer:
Stomach acid kills bacteria and parasites that have been swallowed. Your urine flow flushes out pathogens from the bladder area. Skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens
Explanation:
