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Heart - page 2
What are some similarities and differences of deer hearts and human hearts?
Deer hearts are nearly identical to human hearts, she explained, except that they're bigger because deer are active much of the time, building the hea...
Which animal's heart rate decreases when it chases its pray?
What animal can slow its heart rate down?What mammal has the lowest heart rate?Why do Whales have a slow heart rate?Why do larger animals have slower...
What part of the circulatory system does a heart attack affect?
In a heart attack (or myocardial infarction), the heart muscle becomes damaged by lack of oxygen, and unless blood flow returns within minutes, muscle...
How does a ventricle work in a frog?
Frog Circulation A frog has a three-chambered heart. The chambers include two atria and a ventricle. ... Oxygenated and deoxygenated blood have a tend...
What is the heart rate of a budgie?
Resting heart rate 274 beats per minute. Resting respiration 60-70 breaths per minute. Non-obese body weight 25 to 35 grams (about 1 ounce). Do birds ...
How many heart beats do headgogs have per minuite?
A hedgehog's heart rate is usually around 190 beats per minute but drops to just 20 during hibernation. How many heartbeats does a hedgehog have per m...
How many heart beats?
Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than ...
How do the atrium walls differ from the ventricle walls in a frog?
Why is the ventricle thicker than the atrium in a frog?Why are the walls of the atria thinner than the walls of the ventricles?Why do ventricles have...
Why does a frog need three heart chambers?
The heart of an amphibian, such as a frog, has three chambers, one ventricle and two atria. ... Requiring less oxygen puts less demands on the heart t...