Straighter line A&P 1 chapters 2-8 |
latest update | 2024/2025 | graded A+
Explain the function of mitochondria in cellular respiration.
Mitochondria produce ATP through the process of cellular respiration, supplying energy to
the cell.
Describe the role of actin filaments in muscle contr...
Straighter line A&P 1 chapters 2-8 |
latest update | 2024/2025 | graded A+
Explain the function of mitochondria in cellular respiration.
✔✔ Mitochondria produce ATP through the process of cellular respiration, supplying energy to
the cell.
Describe the role of actin filaments in muscle contraction.
✔✔ Actin filaments interact with myosin to produce the force required for muscle contraction.
What is the significance of acetycholine in nerve impulse transmission?
✔✔ Acetylcholine acts as a neurotransmitter, transmitting signals across synapses in the nervous
system.
Explain the role of vitamin D in calcium absorption.
✔✔ Vitamin D enhances the absorption of calcium from the digestive tract, supporting bone
health.
Describe the function of pepsin in digestion.
1
, ✔✔ Pepsin is an enzyme that breaks down proteins into smaller peptides in the stomach.
What is the role of the sinoatrial (SA) node in the heart?
✔✔ The SA node generates electrical impulses that initiate the heartbeat, controlling the rhythm.
Explain the function of T-cells in the immune system.
✔✔ T-cells recognize and attack infected cells and coordinate the immune response.
Describe the role of alveolar sacs in the respiratory system.
✔✔ Alveolar sacs are clusters of alveoli where gas exchange occurs between air and blood.
What is the significance of serotonin in mood regulation?
✔✔ Serotonin is a neurotransmitter that regulates mood, sleep, and appetite.
Explain the function of glial cells in the nervous system.
✔✔ Glial cells support and protect neurons, maintaining the environment around them.
Describe the role of albumin in maintaining blood pressure.
2
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