1. Which blood vessels that carry deoxygenated blood back to the heart?
A. veins
B. capillaries
C. arteries
D. vena cava
2. The fleshy part of the human body that supports the skeleton.
A. tendons
B. muscles
C. ligaments
D. cartilage
3. Organ that filters blood, eliminate toxic cellular wastes and excess water of the body.
A. heart
B. kidneys
C. anus
D. liver
4. Inhaled air enters the nostrils and goes down into what organ of the body where exchange of oxygen and carbon dioxide happens.
A. trachea
B. bronchial tube
C. lungs
D. heart
A. veins
B. capillaries
C. arteries
D. vena cava
2. The fleshy part of the human body that supports the skeleton.
A. tendons
B. muscles
C. ligaments
D. cartilage
3. Organ that filters blood, eliminate toxic cellular wastes and excess water of the body.
A. heart
B. kidneys
C. anus
D. liver
4. Inhaled air enters the nostrils and goes down into what organ of the body where exchange of oxygen and carbon dioxide happens.
A. trachea
B. bronchial tube
C. lungs
D. heart
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Answer:
1. A
2. B
3. A
4. D
Explanation:
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Answer:
Explanation:
1.
There are two Vena Cava, both large veins that discharge blood into the right atrium of the heart. They are named thus: Superior vena cava (SVC) conveying blood from the head, chest, and upper extremities. Inferior vena cava) conveying blood from all parts of the body below the diaphragm.
2.
Muscle is contractile tissue grouped into coordinated systems for greater efficiency. In humans the muscle systems are classified by gross appearance and location of cells. The three types of muscles are striated (or skeletal), cardiac, and smooth (or nonstriated).It also support the skeletal(bones).
3.
The kidneys are two reddish-brown bean-shaped organs found in vertebrates. They are located on the left and right in the retroperitoneal space, and in adult humans are about 12 centimetres (41⁄2 inches) in length. They receive blood from the paired renal arteries; blood exits into the paired renal veins.
4.
The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. ... In the alveoli, oxygen from the air is absorbed into the blood.
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