Atar Human Bio Unit 1 & 2 Exam
Questions with correct Answers
Common bile duct - Correct Answers -Tube that carries bile from the liver/gallbladder to
the duodenum of the small intestine
Circulatory System - Correct Answers -The transportation system of the body
Organs in the circulatory system - Correct Answers -Heart, blood, blood vessels, lymph,
lymph vessels
Capilliaries - Correct Answers -Microscopic blood vessels which link arterioles and
venules
Venule - Correct Answers -A small vein
Pulmonary vein - Correct Answers -a vein carrying oxygenated blood from the lungs to
the left atrium of the heart.
Carotid arteries - Correct Answers -major blood vessels in the neck that supply blood to
the brain, neck, and face.
Menseritic arteries - Correct Answers -arises from the anterior surface of the abdominal
aorta, just inferior to the origin of the celiac trunk, and supplies the intestine from the
lower part of the duodenum through two-thirds of the transverse colon, as well as the
pancreas.
Renal arteries - Correct Answers -normally arise off the side of the abdominal aorta,
immediately below the superior mesenteric artery, and supply the kidneys with blood.
Plasma - Correct Answers -The fluid part of the blood in which cells are suspended
Cardiac cycle - Correct Answers -The cycle of events that occurs in one heartbeat
Sinoatrial node (SA node) - Correct Answers -The heart's natural pacemaker, where
electrical impulses are generated
Formed element - Correct Answers -Any cell or cell-like structure in the blood
Systole - Correct Answers -The period in which the heart muscle relaxes and fills
, Red blood cell - Correct Answers -One of the formed elements in blood, containing
haemoglobin. Carries oxygen
Erythocytes - Correct Answers -Red blood cells
Diastole - Correct Answers -The period of relaxation in the heart between contractions,
where it fills with blood
Cardiovascular regulation - Correct Answers -The act of of regular cardiovascular
rhythm
White blood cells - Correct Answers -One of the formed elements in blood. Contains a
nucleus but no haemoglobin. 'Eats' bacteria.
Leucocytes - Correct Answers -White blood cells
Platelets - Correct Answers -One of the formed elements in blood, a fragment of
cytoplasm enclosed in a membrane, lacking a nucleus. Forms blood clots to stop
bleeding.
Thrombocytes - Correct Answers -Platelets
Haemoglobin - Correct Answers -The pigment in red blood cells, it is involved in the
transport of oxygen and some carbon dioxide through the body.
Oxyhaemoglobin - Correct Answers -Oxygen combined with haemoglobin
Functions of the blood - Correct Answers --Oxygen and nutrient transport
-CO2 and waste away from cells
-Hormone transport
-Maintenance of pH of bodily fluids, heat, body temperature, water content and ion
concentration
-Protection against disease
-Clotting when vessels are damaged preventing blood loss
3% in plasma
97% as oxyhaemoglobin - Correct Answers -Oxygen in blood
8% in plasma
22% as carbonhaemoglobin
70% bicarbonate ions - Correct Answers -Carbon dioxide in blood
Oxygenated blood - Correct Answers -Blood with a high proportion of oxyhaemoglobin
Heart - Correct Answers -A muscular organ which receives and pumps blood using
muscular contractions
Questions with correct Answers
Common bile duct - Correct Answers -Tube that carries bile from the liver/gallbladder to
the duodenum of the small intestine
Circulatory System - Correct Answers -The transportation system of the body
Organs in the circulatory system - Correct Answers -Heart, blood, blood vessels, lymph,
lymph vessels
Capilliaries - Correct Answers -Microscopic blood vessels which link arterioles and
venules
Venule - Correct Answers -A small vein
Pulmonary vein - Correct Answers -a vein carrying oxygenated blood from the lungs to
the left atrium of the heart.
Carotid arteries - Correct Answers -major blood vessels in the neck that supply blood to
the brain, neck, and face.
Menseritic arteries - Correct Answers -arises from the anterior surface of the abdominal
aorta, just inferior to the origin of the celiac trunk, and supplies the intestine from the
lower part of the duodenum through two-thirds of the transverse colon, as well as the
pancreas.
Renal arteries - Correct Answers -normally arise off the side of the abdominal aorta,
immediately below the superior mesenteric artery, and supply the kidneys with blood.
Plasma - Correct Answers -The fluid part of the blood in which cells are suspended
Cardiac cycle - Correct Answers -The cycle of events that occurs in one heartbeat
Sinoatrial node (SA node) - Correct Answers -The heart's natural pacemaker, where
electrical impulses are generated
Formed element - Correct Answers -Any cell or cell-like structure in the blood
Systole - Correct Answers -The period in which the heart muscle relaxes and fills
, Red blood cell - Correct Answers -One of the formed elements in blood, containing
haemoglobin. Carries oxygen
Erythocytes - Correct Answers -Red blood cells
Diastole - Correct Answers -The period of relaxation in the heart between contractions,
where it fills with blood
Cardiovascular regulation - Correct Answers -The act of of regular cardiovascular
rhythm
White blood cells - Correct Answers -One of the formed elements in blood. Contains a
nucleus but no haemoglobin. 'Eats' bacteria.
Leucocytes - Correct Answers -White blood cells
Platelets - Correct Answers -One of the formed elements in blood, a fragment of
cytoplasm enclosed in a membrane, lacking a nucleus. Forms blood clots to stop
bleeding.
Thrombocytes - Correct Answers -Platelets
Haemoglobin - Correct Answers -The pigment in red blood cells, it is involved in the
transport of oxygen and some carbon dioxide through the body.
Oxyhaemoglobin - Correct Answers -Oxygen combined with haemoglobin
Functions of the blood - Correct Answers --Oxygen and nutrient transport
-CO2 and waste away from cells
-Hormone transport
-Maintenance of pH of bodily fluids, heat, body temperature, water content and ion
concentration
-Protection against disease
-Clotting when vessels are damaged preventing blood loss
3% in plasma
97% as oxyhaemoglobin - Correct Answers -Oxygen in blood
8% in plasma
22% as carbonhaemoglobin
70% bicarbonate ions - Correct Answers -Carbon dioxide in blood
Oxygenated blood - Correct Answers -Blood with a high proportion of oxyhaemoglobin
Heart - Correct Answers -A muscular organ which receives and pumps blood using
muscular contractions
