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11 questions
Units of inherited information
genetic variation
mendelian genetics
genetics
genes
The science that study heredity.
genes
genetic variation
genetics
DNA
A trait that is being masked of another trait.
recessive trait
heterozygous
dominant trait
homozygous
These are alleles that have nonidentical genes.?
allele
heterozygous alleles
homozygous alleles
trait
A trait that mask the expression of another trait.
recessive trait
heterozygous
homozygous
dominant trait
What happens to cause air to be exhaled from the lungs?
The rib muscles contract and move outward
The chest cavity expands and grows larger.
The diaphragm relaxes and moves upward.
The lungs contract and then expand.
What term do scientists use to describe the chemical process in which oxygen and glucose react to release energy inside body cells?
inhaling
exhaling
respiration
breathing
When blood flows into the right atrium from the body, it contains.
little oxygen and a lot of carbon dioxide
a lot of oxygen and little carbon dioxide
a lot of both oxygen and carbon dioxide
little of either oxygen or carbon dioxide
Blood vessels that carry blood away from the heart are called
veins
arteries
capillaries
lymphatic vessels
Exercise is important for cardiovascular health because it
increases blood pressure
strengthens heart muscle
slows the heartbeat
reduces sodium in the blood
Your pulse rate increases, your heart is beating
slower than before
faster than before
at the same rate as before
with less pressure than before
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