Answer:
The correct answer is A, as the statement is true. All blood returns to the heart by way of either the superior vena cava or the inferior vena cava.
Explanation:
The heart pumps blood to all parts of the body. Blood supplies oxygen and nutrients to the entire body and removes carbon dioxide and residual elements. As blood travels through the body, oxygen is consumed and blood becomes deoxygenated.
Deoxygenated blood returns from the rest of the body to the heart through the superior vena cava and the inferior vena cava, the two main veins that carry the blood back to the heart.
Action potential Axsen terminal dendrite neurotransmitter receptors synapse vesicles and calcium ions are the answer
Answer:
1.We should always wash our eyes with clean water.
2.We should wear spects when we go to place like dumping site,construction site,e.t.c.
<em><u>Answer:</u></em>
Malaria is a life-threatening disease. its tightly transmitted through the bite of an infected anopheles mosquito. When this mosquito bites you the parasite is released into your bloodstream.
When the parasite is inside your body they travel to the Liver, they mature and after several days they affect your red blood cells.
<em><u>SYMPTOMS OF MALARIA.</u></em>
a) Chills
b) High fever
c) Headache,e.t.c.<em><u /></em>
Answer:pounds (lbs)
Explanation:
Lbs is the is measurement for weight
