What makes hemoglobin red colored when combined with oxygen?
a. oxygen
b. plasma protein
c. sodium
d. chloride
e. iron
e
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Answer the following statements true (T) or false (F)
1. Saliva begins the process of fat digestion. 2. The pharynx is part of both the respiratory and digestive systems. 3. The esophagus connects the pharynx and the stomach. 4. Gastroesophageal reflux disease (GERD) can cause irritation to the pylorus of the stomach. 5. An overly full stomach can interfere with the complete relaxation of the diaphragm and therefore may restrict the ability to take deep breaths.
Oxygen leaving your lungs as you read this is headed towards mitochondria where it will oxidize food fuels to form ATP. Some of that oxygen is also headed to another organelle that uses oxygen to detoxify harmful substances. That organelle is the __________.
A)Golgi apparatus B)lysosome C)peroxisome D)ribsome
Relaxation of skeletal muscle following contraction requires:
A. Ca++ release by the ryanodine receptor B. Ca++ uptake by SERCA C. Ca++ efflux by the plasmalemmal Ca++ pump D. dephosphorylation of a myosin light chain E. activation of Rho kinase
When a year has passed without menstruation, a woman has reached menarche
Indicate whether the statement is true or false