Answer:
C. 19.5
Explanation:
The simplified linear equation derived to calculate mean weight for Children aged 1-5 years: Weight (kg) = 2 x (age in years + 5.5)
Alexis weighs 6.5 pounds at birth
Assuming her development proceeds normally, after one year:
Weight = 2 x (1 + 5.5)
= 2 x ( 6.5)
= 13
∴ (13 + 6.5) pounds = 19.5 pounds.
<em>Answer:</em>
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<em>Rock is a type of Earth material. Most rock is made up of </em><em><u>minerals.</u></em>
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<em>Hope this helps you</em>
Answer:
Muscles contract through a chain process of electrochemical signalling between the nervous system and muscles.
Explanation:
The muscle contraction is initiated by the nervous system by sending a signal. This signal also referred to as action potential travel through the motor neuron. This motor neuron releases a chemical signal to muscle when the electrical signal carried by it reaches the neuromuscular junction (a junction where motor neuron meets the muscles).
The chemical message referred to as neurotransmitter binds to the receptors present on the muscle fibers. These receptors causes the influx of sodium ion which in turn trigger the release of calcium ion thereby initiating the contraction of muscles.
Answer:
Pulmonary circulation refers to the circulation of blood in which deoxygenated blood is pumped from the heart to the lungs and oxygenated blood is returned to back to the heart. Pulmonary circulation only occurs between the heart and the lungs.
Systemic circulation refers to the circulation of blood in which oxygenated blood is pumped from the heart to the body and deoxygenated blood is returned back to the heart. Systemic circulation occurs between the heart and the entire body
Explanation:
Y.w
A carbohydrate that forms plant cells walls. C!
