Answer:
The heart is a muscle and therefore it can be stimulated by electrical impulses.
Explanation:
In the heart, the electrical activity is generated in the SA node and conducted from the right atrium to the left atrium in order to contract myocardial cells
Answer:
Missed period
Explanation:
Symptoms of early pregnancy can include a missed period, an increased need to urinate, swollen and tender breasts, fatigue, and morning sickness
Answer: True
Explanation:
The Coontz studies shows that the mothers that live at house and teach their babies at house then the babies will be more better off.
According to her research the babies whose mothers are housekeepers take care of children in a better way as compared to the children whose mother go to office.
The mothers gives more time or can say all the time to the teach the child in a good way.
Answer:
Risk factors at work in general:
- Mechanics: falling objects
- Physical: high temperatures and noise.
- Environmental: earthquakes
- Chemicals: toxic substances such as lead
- Biological: hospital contamination
- Ergonomics: bad posture
- Psychosocial: relational conflicts
Answer:
c. carbonic anhydrase
Explanation:
Carbonic anhydrase is active in red blood cells converting carbon dioxide into carbonic acid and bicarbonate ions. In the lungs it converts bicarbonate ions to carbon dioxide where it is exhaled.